{"id":23401,"date":"2026-05-03T05:39:55","date_gmt":"2026-05-03T05:39:55","guid":{"rendered":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/?p=23401"},"modified":"2026-05-03T05:43:04","modified_gmt":"2026-05-03T05:43:04","slug":"technical-effect-test-in-indian-patent-law","status":"publish","type":"post","link":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/","title":{"rendered":"Technical Effect Test in Indian Patent Law"},"content":{"rendered":"\n<article id=\"blackberry-vs-controller-patents-delhi-high-court-2026\">\n\n  <h1 id=\"case-overview-blackberry-vs-controller-patents\"><span class=\"ez-toc-section\" id=\"Blackberry_Limited_Vs_Controller_Of_Patents_And_Designs_%E2%80%93_Delhi_High_Court_Judgment_2026\"><\/span>Blackberry Limited Vs. Controller Of Patents And Designs \u2013 Delhi High Court Judgment (2026)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n  <section id=\"introduction\">\n    <h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>\n      The decision rendered by the High Court of Delhi in the present case is an important addition to the growing body of Indian jurisprudence concerning Computer Related Inventions (CRIs). The case reflects the continuing judicial effort to strike a balance between encouraging innovation in software-driven technologies and preventing monopolisation of abstract ideas or algorithms. The Court was called upon to examine whether a seemingly user-friendly technological improvement, colour differentiation of message recipients, could qualify as a patentable invention under Indian law.\n    <\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Blackberry_Limited_Vs_Controller_Of_Patents_And_Designs_%E2%80%93_Delhi_High_Court_Judgment_2026\" >Blackberry Limited Vs. Controller Of Patents And Designs \u2013 Delhi High Court Judgment (2026)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Introduction\" >Introduction<\/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\/technical-effect-test-in-indian-patent-law\/#Factual_And_Procedural_Background\" >Factual And Procedural Background<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Key_Procedural_Events\" >Key Procedural Events<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Dispute\" >Dispute<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Arguments_Comparison\" >Arguments Comparison<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Reasoning_And_Analysis_Of_The_Judge\" >Reasoning And Analysis Of The Judge<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Key_Legal_Principles_Applied\" >Key Legal Principles Applied<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Precedents_Relied_Upon\" >Precedents Relied Upon<\/a><\/li><\/ul><\/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\/technical-effect-test-in-indian-patent-law\/#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-11\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Point_Of_Law_Settled\" >Point Of Law Settled<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.legalserviceindia.com\/Legal-Articles\/technical-effect-test-in-indian-patent-law\/#Case_Details\" >Case Details<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n    <p>\n      The judgment reiterates a consistent judicial approach that patent protection is not available for every form of technological convenience, especially where the invention does not demonstrate a genuine technical advancement. It reinforces the statutory exclusion under Section 3(k) of the Patents Act, which denies patentability to computer programs per se unless accompanied by a demonstrable technical effect.\n    <\/p>\n  <\/section>\n\n  <section id=\"factual-procedural-background\">\n    <h2><span class=\"ez-toc-section\" id=\"Factual_And_Procedural_Background\"><\/span>Factual And Procedural Background<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>\n      The Appellant, Blackberry Limited, filed a patent application relating to a method of colour differentiation of recipients in a text message on handheld communication devices. The invention was aimed at enabling users to visually distinguish recipients based on characteristics such as domain or organisational identity, thereby reducing the risk of sending messages to unintended persons.\n    <\/p>\n\n    <p>\n      The application was examined by the Patent Office, which raised objections primarily on the grounds of lack of novelty, lack of inventive step, and non-patentability under Section 3(k). The Controller ultimately refused the application. A review petition filed by the Appellant was also dismissed.\n    <\/p>\n\n    <p>\n      Aggrieved by these decisions, the Appellant approached the High Court under Section 117A of the Patents Act, challenging both the refusal and the dismissal of the review petition.\n    <\/p>\n\n    <h3 id=\"key-procedural-events\"><span class=\"ez-toc-section\" id=\"Key_Procedural_Events\"><\/span>Key Procedural Events<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <ul>\n      <li>Patent application filed by Blackberry Limited<\/li>\n      <li>Objections raised by Patent Office<\/li>\n      <li>Application refused by Controller<\/li>\n      <li>Review petition dismissed<\/li>\n      <li>Appeal filed before Delhi High Court under Section 117A<\/li>\n    <\/ul>\n  <\/section>\n\n  <section id=\"core-dispute\">\n    <h2><span class=\"ez-toc-section\" id=\"Dispute\"><\/span>Dispute<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>\n      The central dispute before the Court revolved around whether the invention in question constituted a patentable invention under Indian law. The Appellant asserted that the invention provided a technical solution to a technical problem by improving user interaction with handheld devices. It was argued that the invention resulted in a technical effect by enhancing efficiency and preventing errors.\n    <\/p>\n\n    <p>\n      On the other hand, the Respondent maintained that the invention was merely an algorithmic implementation for managing message recipients and did not involve any technical advancement. It was further contended that similar mechanisms already existed in prior art and that the invention was obvious to a person skilled in the field.\n    <\/p>\n\n    <h3 id=\"arguments-comparison\"><span class=\"ez-toc-section\" id=\"Arguments_Comparison\"><\/span>Arguments Comparison<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\">\n      <thead>\n        <tr>\n          <th>Appellant&#8217;s Arguments<\/th>\n          <th>Respondent&#8217;s Arguments<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Technical solution to a technical problem<\/td>\n          <td>Merely algorithmic implementation<\/td>\n        <\/tr>\n        <tr>\n          <td>Improves user interaction and efficiency<\/td>\n          <td>No real technical advancement<\/td>\n        <\/tr>\n        <tr>\n          <td>Prevents errors in messaging<\/td>\n          <td>Already covered in prior art<\/td>\n        <\/tr>\n        <tr>\n          <td>Produces technical effect<\/td>\n          <td>Obvious to a skilled person<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/section>\n\n  <section id=\"reasoning-analysis\">\n    <h2><span class=\"ez-toc-section\" id=\"Reasoning_And_Analysis_Of_The_Judge\"><\/span>Reasoning And Analysis Of The Judge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>\n      The court undertook a detailed examination of both the technical aspects of the invention and the applicable legal principles. The Court carefully analysed prior art documents and concluded that the essential idea of categorising or visually distinguishing messages or recipients was already known.\n    <\/p>\n\n    <p>\n      In evaluating the issue of inventive step, the Court observed that although the Appellant\u2019s invention applied colour differentiation at a different stage, the underlying concept remained substantially similar to prior disclosures. The Court held that merely modifying an existing idea in a predictable manner does not satisfy the requirement of inventiveness.\n    <\/p>\n\n    <p>\n      A significant portion of the judgment was devoted to interpreting Section 3(k) of the Patents Act. The Court emphasised that for a computer-related invention to be patentable, it must demonstrate a clear technical effect or contribution that goes beyond the execution of an algorithm on a general-purpose device. The Court found that the present invention did not improve the functioning of the hardware or the system itself, but merely enhanced user convenience.\n    <\/p>\n\n    <p>\n      The Court also addressed the argument that the invention solved a practical problem. It clarified that not every practical problem qualifies as a technical problem. In the present case, the issue of sending messages to unintended recipients was considered a human or behavioural issue rather than a technical one. Therefore, the solution provided by the invention could not be regarded as a technical advancement.\n    <\/p>\n\n    <h3 id=\"key-legal-principles\"><span class=\"ez-toc-section\" id=\"Key_Legal_Principles_Applied\"><\/span>Key Legal Principles Applied<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <ul>\n      <li>Inventive step requires non-obvious technical advancement<\/li>\n      <li>Section 3(k) excludes computer programs per se<\/li>\n      <li>Technical effect must go beyond user convenience<\/li>\n      <li>Human or behavioural problems are not technical problems<\/li>\n    <\/ul>\n\n    <h3 id=\"precedents-relied\"><span class=\"ez-toc-section\" id=\"Precedents_Relied_Upon\"><\/span>Precedents Relied Upon<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <ul>\n      <li>Ferid Allani v. Union of India (2019 SCC OnLine Del 11867)<\/li>\n      <li>F. Hoffmann-La Roche Ltd. v. Cipla Ltd., Neutral Citation: 2015:DHC:9674-DB<\/li>\n      <li>Microsoft Technology Licensing LLC v. Assistant Controller of Patents, 2024 SCC OnLine Mad 2785<\/li>\n    <\/ul>\n\n    <p>\n      The Court relied on established precedents to support its reasoning. Reference was made to Ferid Allani v. Union of India (2019 SCC OnLine Del 11867), where it was held that computer-related inventions may be patentable if they demonstrate a technical effect. However, the Court distinguished the present case by noting that such technical effect was absent here.\n    <\/p>\n\n    <p>\n      The judgment also considered F. Hoffmann-La Roche Ltd. v. Cipla Ltd., Neutral Citation: 2015:DHC:9674-DB, particularly on the principle that hindsight analysis must be avoided while assessing inventive step. Nevertheless, the Court found that even without hindsight, the invention was obvious in light of existing knowledge.\n    <\/p>\n\n    <p>\n      Further reliance was placed on Microsoft Technology Licensing LLC v. Assistant Controller of Patents, 2024 SCC OnLine Mad 2785, where the importance of demonstrating a technical effect impacting system functionality was emphasised. Applying this principle, the Court held that the present invention did not meet the threshold required to overcome the exclusion under Section 3(k).\n    <\/p>\n  <\/section>\n\n  <section id=\"final-decision\">\n    <h2><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    <p>\n      The High Court dismissed the appeal and upheld the orders of the Controller. It concluded that the invention lacked inventive step and fell within the exclusion of non-patentable subject matter under Section 3(k) of the Patents Act. The Court found no reason to interfere with the findings of the Patent Office.\n    <\/p>\n  <\/section>\n\n  <section id=\"point-of-law-settled\">\n    <h2><span class=\"ez-toc-section\" id=\"Point_Of_Law_Settled\"><\/span>Point Of Law Settled<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>\n      The case firmly establishes that an invention relating to software or computer implementation must demonstrate a tangible technical effect that improves system functionality or solves a technical problem. Improvements limited to user convenience or presentation of information do not qualify as technical contributions. The judgment also clarifies that human errors or behavioural issues cannot be treated as technical problems for the purpose of patentability.\n    <\/p>\n\n    <h3 id=\"key-takeaways\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <ul>\n      <li>Technical effect is essential for CRI patentability<\/li>\n      <li>User interface improvements alone are insufficient<\/li>\n      <li>Obvious modifications do not satisfy inventive step<\/li>\n      <li>Behavioural issues are not technical problems<\/li>\n    <\/ul>\n  <\/section>\n\n  <section id=\"case-details\">\n    <h2><span class=\"ez-toc-section\" id=\"Case_Details\"><\/span>Case Details<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\">\n      <tbody>\n        <tr>\n          <th>Case Title<\/th>\n          <td>Blackberry Limited Vs. Controller Of Patents And Designs<\/td>\n        <\/tr>\n        <tr>\n          <th>Date Of Order<\/th>\n          <td>30 April 2026<\/td>\n        <\/tr>\n        <tr>\n          <th>Case Number<\/th>\n          <td>C.A.(COMM.IPD-PAT) 14\/2022<\/td>\n        <\/tr>\n        <tr>\n          <th>Neutral Citation<\/th>\n          <td>Not specified in the judgment<\/td>\n        <\/tr>\n        <tr>\n          <th>Court<\/th>\n          <td>2026:DHC:3668<\/td>\n        <\/tr>\n        <tr>\n          <th>Judge<\/th>\n          <td>Hon\u2019ble Mr. Justice Tejas Karia<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/section>\n\n<\/article>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blackberry Limited Vs. Controller Of Patents And Designs \u2013 Delhi High Court Judgment (2026) Introduction The decision rendered by the High Court of Delhi in the present case is an important addition to the growing body of Indian jurisprudence concerning Computer Related Inventions (CRIs). The case reflects the continuing judicial effort to strike a balance<\/p>\n","protected":false},"author":56,"featured_media":23400,"comment_status":"open","ping_status":"open","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,"two_page_speed":[],"_jetpack_memberships_contains_paid_content":false,"_joinchat":[],"footnotes":""},"categories":[5873],"tags":[28,5969],"class_list":{"0":"post-23401","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-trademark-law","8":"tag-top-news","9":"tag-trademark-laws"},"jetpack_featured_media_url":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-content\/uploads\/2026\/05\/Capture-1.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/posts\/23401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/users\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/comments?post=23401"}],"version-history":[{"count":2,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/posts\/23401\/revisions"}],"predecessor-version":[{"id":23439,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/posts\/23401\/revisions\/23439"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/media\/23400"}],"wp:attachment":[{"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/media?parent=23401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/categories?post=23401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.legalserviceindia.com\/Legal-Articles\/wp-json\/wp\/v2\/tags?post=23401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}