{"id":28576,"date":"2026-07-29T07:24:19","date_gmt":"2026-07-29T07:24:19","guid":{"rendered":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/?p=28576"},"modified":"2026-07-29T07:28:24","modified_gmt":"2026-07-29T07:28:24","slug":"delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained","status":"publish","type":"post","link":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/","title":{"rendered":"Delhi High Court Clarifies Patentability of Pharmaceutical Combinations: Sections 3(d), 3(i) &amp; Inventive Step Explained"},"content":{"rendered":"\n<h2 id=\"h-introduction\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The legal framework governing pharmaceutical patents in India strikes a delicate balance between encouraging genuine technical innovation and preventing the unwarranted extension of patent monopolies. Central to this balance are statutory provisions under the Patents Act, 1970, that exclude certain subject matters from patentability, particularly those relating to mere derivatives of known substances and methods of medical treatment.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0c0c0c;color:#0c0c0c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0c0c0c;color:#0c0c0c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Introduction\" >Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Factual_and_Procedural_Background\" >Factual and Procedural Background<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Dispute_Before_the_Court\" >Dispute Before the Court<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Reasoning_and_Analysis_of_the_Court\" >Reasoning and Analysis of the Court<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Inventive_Step_Under_Section_21ja\" >Inventive Step Under Section 2(1)(ja)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Section_3d_Objection\" >Section 3(d) Objection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Section_3i_Objection\" >Section 3(i) Objection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Other_Precedents_Considered\" >Other Precedents Considered<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Final_Decision_of_the_Court\" >Final Decision of the Court<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Point_of_Law_Settled\" >Point of Law Settled<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Case_Summary\" >Case Summary<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/delhi-high-court-clarifies-patentability-of-pharmaceutical-combinations-sections-3d-3i-inventive-step-explained\/#Important_Links\" >Important Links<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\">A recurrent issue in patent prosecution concerns whether claims directed to pharmaceutical combinations containing known active ingredients constitute patentable product inventions or barred therapeutic regimens. This judgment of the High Court of Delhi provides critical clarity on the threshold of inventive step, the scope of Section 3(d), and the boundaries of Section 3(i) exclusions when adjudicating pharmaceutical combination patent applications.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-factual-and-procedural-background\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factual_and_Procedural_Background\"><\/span>Factual and Procedural Background<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The subject patent application, numbered <strong>450\/DELNP\/2015<\/strong> and titled <strong>&#8220;Pharmaceutical Combination Comprising a BRAF Inhibitor, an EGFR Inhibitor, and Optionally a PI3K Alpha <\/strong>Inhibitor,&#8221; originated from a priority US application filed on August 7, 2012.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An international PCT application was filed on August 5, 2013, published internationally on February 13, 2014, and subsequently entered the Indian national phase on January 19, 2015. The application was published under Section 11A of the Patents Act, 1970, on June 26, 2015, and a formal request for examination was filed on August 1, 2016.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Patent Office issued a First Examination Report on August 24, 2018, to which a detailed response was submitted on February 6, 2019. Following hearing notices, adjournments, and formal hearings held under Section 15 of the Act, along with written submissions and clinical data filed on record, the Deputy Controller of Patents and Designs issued an order on June 30, 2023.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Controller refused the patent application on the grounds of lack of inventive step under Section 2(1)(ja), non-patentability under Sections 3(d) and 3(i), and lack of clarity and definitive scope under Sections 10(4)(c) and 10(5) of the Patents Act, 1970. The applicant then preferred a statutory appeal under Section 117A before the High Court of Delhi challenging the refusal order.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-dispute-before-the-court\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dispute_Before_the_Court\"><\/span>Dispute Before the Court<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The main dispute before the Court revolved around whether the Patent Office was justified in refusing the patent application for a pharmaceutical combination designed for the treatment of proliferative diseases such as colorectal cancer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The primary legal issue was whether the claimed combination lacked an inventive step under Section 2(1)(ja) in light of four prior art documents cited by the Patent Office. A key factual controversy pertained to whether a person skilled in the art, reading the prior art documents, would have had the motivation or reasonable expectation of success to combine the specific active pharmaceutical agents selected by the applicant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another essential issue was whether the subject application fell within the non-patentability bar of Section 3(d) of the Act. The Patent Office contended that the combination comprised known compounds without showing enhanced efficacy over known prior art. The applicant countered that Section 3(d) is inapplicable to a combination of distinct, independent active pharmaceutical agents having different chemical structures and mechanisms of action.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, a major point of contention was the applicability of Section 3(i) of the Act, which prohibits patents for processes of medicinal or therapeutic treatment of human beings. The Patent Office argued that because the claims referenced simultaneous, separate, or sequential administration and the specification outlined clinical trial dosing protocols, the claimed invention was essentially a method of medical treatment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The applicant maintained that the claims were strictly product claims defining a pharmaceutical combination entity and that administration descriptors and clinical examples merely demonstrated industrial applicability and practical workability.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-reasoning-and-analysis-of-the-court\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reasoning_and_Analysis_of_the_Court\"><\/span>Reasoning and Analysis of the Court<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 id=\"h-inventive-step-under-section-2-1-ja\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inventive_Step_Under_Section_21ja\"><\/span>Inventive Step Under Section 2(1)(ja)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In analyzing the objection regarding lack of inventive step under Section 2(1)(ja) of the Act, the Court conducted a comprehensive, document-by-document evaluation of the four cited prior arts.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Prior Art<\/th><th>Court&#8217;s Findings<\/th><\/tr><\/thead><tbody><tr><td>D1<\/td><td>Disclosed B-Raf inhibitors generally and taught combinations with MEK inhibitors but provided no teaching or disclosure regarding combinations with EGFR or PI3K-alpha inhibitors.<\/td><\/tr><tr><td>D2<\/td><td>Focused on diagnostic and prognostic methods for detecting mutations and mentioned EGFR signaling inhibitors generally in combination with unspecified RAF inhibitors, without disclosing the specific B-RAF inhibitor Encorafenib.<\/td><\/tr><tr><td>D3<\/td><td>Disclosed combinations of dabrafenib with an unspecified PI3K inhibitor but contained no reference to EGFR inhibitors such as erlotinib or cetuximab.<\/td><\/tr><tr><td>D4<\/td><td>Directed to novel PI3K inhibitors as chemical entities and discussed in vitro models involving EGFR but failed to disclose the specific combination claimed.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The Court concluded that none of the cited prior art documents, whether viewed individually or collectively, disclosed or suggested the specific dual combination of encorafenib with erlotinib or cetuximab or the triple combination incorporating alpelisib.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Court observed that the Controller failed to identify the closest prior art document, articulate the specific technical problem solved by the invention, or explain how a person skilled in the art would be motivated to select and combine these specific active ingredients from a vast landscape of known compounds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Furthermore, the Court highlighted that the clinical data in the specification demonstrated significant technical advancement and synergistic therapeutic effects, including tumor regression, which had not been properly evaluated by the Controller.<\/p>\n\n\n\n<h3 id=\"h-section-3-d-objection\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Section_3d_Objection\"><\/span>Section 3(d) Objection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Addressing the objection under Section 3(d) of the Act, the Court noted that Section 3(d) applies to the mere discovery of a new form of a known substance or derivatives unless they differ significantly in efficacy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The court emphasized that for Section 3(d) to be invoked, the decision-maker must explicitly identify the base known compound.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Relying upon the principle affirmed in <strong>Topotarget UK Ltd. vs. Controller General of Patents &amp; Designs [IPDPTA\/50\/2023]<\/strong>, the Court reiterated that a combination of two or more independent active pharmaceutical agents, each possessing a distinct chemical identity and therapeutic mechanism, cannot be treated as derivatives of each other under Section 3(d).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Controller&#8217;s failure to identify any specific known compound rendered the Section 3(d) finding legally unsustainable.<\/p>\n\n\n\n<h3 id=\"h-section-3-i-objection\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Section_3i_Objection\"><\/span>Section 3(i) Objection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">On the challenge under Section 3(i) of the Act, the Court examined the structural language of Claim 1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Section 3(i) prohibits processes for therapeutic treatment but does not exclude pharmaceutical products or combinations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Court held that the phrase <strong>&#8220;for simultaneous, separate, or sequential administration&#8221;<\/strong> functions merely as a descriptor defining the range of ways the constituent active ingredients in the combination product can be delivered, without transforming the product claim into a process or method step.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To reinforce this legal standard, the Court referred to established precedents, including <strong>Societe Des Produits Nestle SA vs. Controller of Patents &amp; Designs [CA (COMM)]. IPD-PAT) 22\/2022]<\/strong> and <strong>Medilabo RFP Ink Inc. vs. Controller of Patents [CA (COMM)]. IPD-PAT) 16\/2024]<\/strong>, which established that using expressions relating to treatment or administration to define a composition does not attract Section 3(i).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Furthermore, drawing upon the principles laid down in <strong>Bayer Pharma Aktiengesellschaft vs. The Controller of Patents and Designs [2024:DHC:2395]<\/strong>, the court clarified the fundamental legal distinction between claim scope and working examples.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Working examples and clinical protocols set out in a patent specification serve to demonstrate the practical feasibility and workability of an invention under Section 10(4) of the Act but do not dictate or expand the legal boundaries of the claim itself.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Since Claim 1 was drafted as a product claim for a pharmaceutical combination, Section 3(i) was completely inapplicable.<\/p>\n\n\n\n<h3 id=\"h-other-precedents-considered\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Other_Precedents_Considered\"><\/span>Other Precedents Considered<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The court also briefly evaluated principles from related jurisprudence, including<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ranbaxy Laboratories Ltd. vs. The Controller of Patents &amp; Designs [OA\/15\/2011\/PT\/MUM]<\/li>\n\n\n\n<li>Ajantha Pharma Ltd. vs. Allergan Inc. &amp; Ors. [Order No. 173\/2013]<\/li>\n\n\n\n<li>Biomoneta Research Pvt. Ltd. v. Controller General of Patents &amp; Designs [2023\/DHC\/001816]<\/li>\n\n\n\n<li>Zydus Lifesciences Ltd. v. ER Squibb &amp; Sons LLC [2026: DHC:178-DB]<\/li>\n\n\n\n<li>Novartis AG v. Union of India [(2013) 6 SCC 1]<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The Court found that the Controller&#8217;s rejection under Sections 10(4)(c) and 10(5) was entirely devoid of reasoning, making a complete re-examination necessary.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-final-decision-of-the-court\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Decision_of_the_Court\"><\/span>Final Decision of the Court<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Court set aside the impugned order dated June 30, 2023, passed by the Deputy Controller of Patents and Designs under Section 15 of the Patents Act, 1970.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The matter was remanded back to the Patent Office for a <strong>de novo<\/strong> reconsideration of the patent application on its merits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Court directed the Controller to afford the applicant a fair hearing and to dispose of the patent application within six months from the date of receipt of the judicial order, while clarifying that the fresh determination must be made independently without being influenced by the observations made in the judgment.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-point-of-law-settled\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Point_of_Law_Settled\"><\/span>Point of Law Settled<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A product claim directed to a pharmaceutical combination entity cannot be recharacterized as a non-patentable process or method of treatment under Section 3(i) of the Patents Act, 1970, simply because the claim describes administration modes or because the complete specification details clinical trial protocols and dosing schedules.<\/li>\n\n\n\n<li>When rejecting an application under Section 3(d) or Section 2(1)(ja), the Patent Office must specifically identify the base known compound and clearly articulate the technical problem and motivation that would lead a person skilled in the art to combine specific active pharmaceutical agents, rather than relying on generalized mosaic references to prior art.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-case-summary\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Case_Summary\"><\/span>Case Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Title of the Case<\/th><td>Array BioPharma Inc. vs. Deputy Controller of Patents and Designs<\/td><\/tr><tr><th>Date of Judgment<\/th><td>23.07.2026<\/td><\/tr><tr><th>Case Number<\/th><td>C.A. (COMM.IPD-PAT) 37\/2023<\/td><\/tr><tr><th>Neutral Citation<\/th><td>2026:DHC:5856<\/td><\/tr><tr><th>Name of Court<\/th><td>High Court of Delhi at New Delhi<\/td><\/tr><tr><th>Honorable Judge<\/th><td>Honorable Mr. Justice Tushar Rao Gedela<\/td><\/tr><tr><th>Written By<\/th><td>Advocate Ajay Amitabh Suman, IP Adjutor (Patent and Trademark Attorney), High Court of Delhi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-yoast-seo-related-links yoast-seo-related-links\">\n<li><a href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/patentability-of-diagnostic-methods-in-india\/\">Patentability of Diagnostic Methods in India<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/amendment-of-patent-claims-and-specification-at-appellate-stage\/\">Amendment of Patent Claims and Specification at Appellate Stage<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/diagnostic-processes-and-patent-eligibility\/\">Diagnostic Processes and Patent Eligibility<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/the-intersection-of-patent-procedure-and-natural-justice\/\">The Intersection of Patent Procedure and Natural Justice<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/partial-rejection-of-patent\/\">Partial Rejection of Patent<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Important_Links\"><\/span>Important Links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Important Links:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.legalserviceindia.com\/lawyers\/lawyers_home.htm\" target=\"_blank\" rel=\"noreferrer noopener\">Lawyers in India<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/copyright\/register.htm\" target=\"_blank\" rel=\"noreferrer noopener\">Copyright Registration in India<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/articles\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">Caveat Filing in Supreme Court of India<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.legalserviceindia.com\/helpline\/mutual_consent_divorce.htm\" target=\"_blank\" rel=\"noreferrer noopener\">Mutual Consent Divorce in Delhi\/ <\/a>NCR: WhatsApp 9650499965<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Introduction The legal framework governing pharmaceutical patents in India strikes a delicate balance between encouraging genuine technical innovation and preventing the unwarranted extension of patent monopolies. Central to this balance are statutory provisions under the Patents Act, 1970, that exclude certain subject matters from patentability, particularly those relating to mere derivatives of known substances and<\/p>\n","protected":false},"author":56,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"two_page_speed":[],"_jetpack_memberships_contains_paid_content":false,"_joinchat":[],"footnotes":""},"categories":[9213],"tags":[9471],"class_list":["post-28576","post","type-post","status-publish","format-standard","category-patent","tag-patent"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Delhi High Court Clarifies Patentability of Pharmaceutical Combinations: Sections 3(d), 3(i) &amp; 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