{"id":9004111222138743,"date":"2026-01-09T09:51:36","date_gmt":"2026-01-09T09:51:36","guid":{"rendered":"https:\/\/www.hgf.com\/?p=9004111222138743"},"modified":"2026-04-28T11:33:54","modified_gmt":"2026-04-28T10:33:54","slug":"third-party-observations","status":"publish","type":"post","link":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/","title":{"rendered":"Third party observations"},"content":{"rendered":"<p>Overview:<\/p>\n<p>Third Party Observations (TPOs) are a mechanism by which third parties can submit written observations in proceedings before the EPO. TPOs are often filed with the aim of persuading the EPO to refuse an application or to require that the claim scope is limited. This video provides an introduction to TPOs, the filing of TPOs and strategic considerations<\/p>\n<div class=\"wistia_responsive_padding\" style=\"padding: 56.25% 0 0 0; position: relative;\">\n<div class=\"wistia_responsive_wrapper\" style=\"height: 100%; left: 0; position: absolute; top: 0; width: 100%;\"><iframe class=\"wistia_embed\" title=\"Third Party Observations Video\" src=\"https:\/\/fast.wistia.net\/embed\/iframe\/yw1h7styy2?seo=true&amp;videoFoam=true\" name=\"wistia_embed\" width=\"100%\" height=\"100%\" frameborder=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<\/div>\n<p><script src=\"https:\/\/fast.wistia.net\/assets\/external\/E-v1.js\" async><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview: Third Party Observations (TPOs) are a mechanism by which third parties can submit written observations in proceedings before the EPO. TPOs are often filed with the aim of persuading &hellip;<\/p>\n","protected":false},"author":502,"featured_media":9004111222138750,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[507,497],"tags":[],"class_list":["post-9004111222138743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hgf-presents","category-knowledge-hub","service-patents","sector_groups-life-sciences"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Third party observations - HGF<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Third party observations\" \/>\n<meta property=\"og:description\" content=\"Overview: Third Party Observations (TPOs) are a mechanism by which third parties can submit written observations in proceedings before the EPO. TPOs are\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/\" \/>\n<meta property=\"og:site_name\" content=\"HGF\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-09T09:51:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-28T10:33:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hgf.com\/wp-content\/uploads\/2026\/01\/Untitled-design-2026-01-07T115907.938.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Georgia Melia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@hgf_ip\" \/>\n<meta name=\"twitter:site\" content=\"@hgf_ip\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Georgia Melia\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/\"},\"author\":{\"name\":\"Georgia Melia\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#\\\/schema\\\/person\\\/7df0a22a79ff7cc91642cd3ce4882036\"},\"headline\":\"Third party observations\",\"datePublished\":\"2026-01-09T09:51:36+00:00\",\"dateModified\":\"2026-04-28T10:33:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/\"},\"wordCount\":62,\"publisher\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Untitled-design-2026-01-07T115907.938.png\",\"articleSection\":[\"HGF Presents\",\"Knowledge Hub\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/\",\"url\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/\",\"name\":\"Third party observations - HGF\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Untitled-design-2026-01-07T115907.938.png\",\"datePublished\":\"2026-01-09T09:51:36+00:00\",\"dateModified\":\"2026-04-28T10:33:54+00:00\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/knowledge-hub\\\/hgf-presents\\\/third-party-observations\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Untitled-design-2026-01-07T115907.938.png\",\"contentUrl\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Untitled-design-2026-01-07T115907.938.png\",\"width\":1920,\"height\":1080},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/\",\"name\":\"HGF\",\"description\":\"Intellectual Property Rights specialists\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#organization\",\"name\":\"HGF\",\"url\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2023\\\/04\\\/hgf-logo-696x696-1.png\",\"contentUrl\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2023\\\/04\\\/hgf-logo-696x696-1.png\",\"width\":696,\"height\":696,\"caption\":\"HGF\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/hgf_ip\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/hgf-limited-intellectual-property-specialists\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/fr\\\/#\\\/schema\\\/person\\\/7df0a22a79ff7cc91642cd3ce4882036\",\"name\":\"Georgia Melia\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bc759620959e751b0f1ac49d89cb60b8f62218f980cb9e4919ee6eb01c4fed6f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bc759620959e751b0f1ac49d89cb60b8f62218f980cb9e4919ee6eb01c4fed6f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bc759620959e751b0f1ac49d89cb60b8f62218f980cb9e4919ee6eb01c4fed6f?s=96&d=mm&r=g\",\"caption\":\"Georgia Melia\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Third party observations - HGF","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/","og_locale":"fr_FR","og_type":"article","og_title":"Third party observations","og_description":"Overview: Third Party Observations (TPOs) are a mechanism by which third parties can submit written observations in proceedings before the EPO. TPOs are","og_url":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/","og_site_name":"HGF","article_published_time":"2026-01-09T09:51:36+00:00","article_modified_time":"2026-04-28T10:33:54+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/www.hgf.com\/wp-content\/uploads\/2026\/01\/Untitled-design-2026-01-07T115907.938.png","type":"image\/png"}],"author":"Georgia Melia","twitter_card":"summary_large_image","twitter_creator":"@hgf_ip","twitter_site":"@hgf_ip","twitter_misc":{"\u00c9crit par":"Georgia Melia"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/#article","isPartOf":{"@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/"},"author":{"name":"Georgia Melia","@id":"https:\/\/www.hgf.com\/fr\/#\/schema\/person\/7df0a22a79ff7cc91642cd3ce4882036"},"headline":"Third party observations","datePublished":"2026-01-09T09:51:36+00:00","dateModified":"2026-04-28T10:33:54+00:00","mainEntityOfPage":{"@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/"},"wordCount":62,"publisher":{"@id":"https:\/\/www.hgf.com\/fr\/#organization"},"image":{"@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/#primaryimage"},"thumbnailUrl":"https:\/\/www.hgf.com\/wp-content\/uploads\/2026\/01\/Untitled-design-2026-01-07T115907.938.png","articleSection":["HGF Presents","Knowledge Hub"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/","url":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/","name":"Third party observations - HGF","isPartOf":{"@id":"https:\/\/www.hgf.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/#primaryimage"},"image":{"@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/#primaryimage"},"thumbnailUrl":"https:\/\/www.hgf.com\/wp-content\/uploads\/2026\/01\/Untitled-design-2026-01-07T115907.938.png","datePublished":"2026-01-09T09:51:36+00:00","dateModified":"2026-04-28T10:33:54+00:00","inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.hgf.com\/fr\/knowledge-hub\/hgf-presents\/third-party-observations\/#primaryimage","url":"https:\/\/www.hgf.com\/wp-content\/uploads\/2026\/01\/Untitled-design-2026-01-07T115907.938.png","contentUrl":"https:\/\/www.hgf.com\/wp-content\/uploads\/2026\/01\/Untitled-design-2026-01-07T115907.938.png","width":1920,"height":1080},{"@type":"WebSite","@id":"https:\/\/www.hgf.com\/fr\/#website","url":"https:\/\/www.hgf.com\/fr\/","name":"HGF","description":"Intellectual Property Rights specialists","publisher":{"@id":"https:\/\/www.hgf.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.hgf.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.hgf.com\/fr\/#organization","name":"HGF","url":"https:\/\/www.hgf.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.hgf.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.hgf.com\/wp-content\/uploads\/2023\/04\/hgf-logo-696x696-1.png","contentUrl":"https:\/\/www.hgf.com\/wp-content\/uploads\/2023\/04\/hgf-logo-696x696-1.png","width":696,"height":696,"caption":"HGF"},"image":{"@id":"https:\/\/www.hgf.com\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/hgf_ip","https:\/\/www.linkedin.com\/company\/hgf-limited-intellectual-property-specialists\/"]},{"@type":"Person","@id":"https:\/\/www.hgf.com\/fr\/#\/schema\/person\/7df0a22a79ff7cc91642cd3ce4882036","name":"Georgia Melia","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/bc759620959e751b0f1ac49d89cb60b8f62218f980cb9e4919ee6eb01c4fed6f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bc759620959e751b0f1ac49d89cb60b8f62218f980cb9e4919ee6eb01c4fed6f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bc759620959e751b0f1ac49d89cb60b8f62218f980cb9e4919ee6eb01c4fed6f?s=96&d=mm&r=g","caption":"Georgia Melia"}}]}},"_links":{"self":[{"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/posts\/9004111222138743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/users\/502"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/comments?post=9004111222138743"}],"version-history":[{"count":0,"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/posts\/9004111222138743\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/media\/9004111222138750"}],"wp:attachment":[{"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/media?parent=9004111222138743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/categories?post=9004111222138743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hgf.com\/fr\/wp-json\/wp\/v2\/tags?post=9004111222138743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}