{"id":9004111222133300,"date":"2025-09-03T16:24:01","date_gmt":"2025-09-03T15:24:01","guid":{"rendered":"https:\/\/www.hgf.com\/?p=9004111222133300"},"modified":"2026-02-19T14:25:01","modified_gmt":"2026-02-19T14:25:01","slug":"undisclosed-disclaimers","status":"publish","type":"post","link":"https:\/\/www.hgf.com\/de\/knowledge-hub\/hgf-presents\/undisclosed-disclaimers\/","title":{"rendered":"Undisclosed Disclaimers"},"content":{"rendered":"<h3><strong>Video overview:<\/strong><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A <\/span>negative limitation (disclaimer) that has no basis in the original application can be used to:\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Restore novelty over novelty-only prior art.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Restore novelty over an accidental anticipation (full prior art).<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Remove subject matter that is excluded from patentability on non-technical grounds.<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Requirements for disclaimers:<\/strong>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Must exclude no more than necessary.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Should not affect inventive step or sufficiency.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">The resulting claim must be clear and concise.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">The disclaimer must be limiting.<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Caution:<\/strong>\n<ul>\n<li aria-level=\"1\">Incorrectly drafted disclaimers risk falling into the <strong>Art.123(2)\/Art.123(3) trap.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/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=\"Undisclosed Disclamers Video\" src=\"https:\/\/fast.wistia.net\/embed\/iframe\/t3vn44e5a4?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>Video overview: A negative limitation (disclaimer) that has no basis in the original application can be used to: Restore novelty over novelty-only prior art. Restore novelty over an accidental anticipation &hellip;<\/p>\n","protected":false},"author":376,"featured_media":9004111222133355,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[507,497],"tags":[],"class_list":["post-9004111222133300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hgf-presents","category-knowledge-hub","service-patents"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Undisclosed Disclaimers - 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\/de\/knowledge-hub\/hgf-presents\/undisclosed-disclaimers\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Undisclosed Disclaimers\" \/>\n<meta property=\"og:description\" content=\"Video overview: A negative limitation (disclaimer) that has no basis in the original application can be used to: Restore novelty over novelty-only prior\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hgf.com\/de\/knowledge-hub\/hgf-presents\/undisclosed-disclaimers\/\" \/>\n<meta property=\"og:site_name\" content=\"HGF\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-03T15:24:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-19T14:25:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hgf.com\/wp-content\/uploads\/2025\/09\/Untitled-design-11-1024x576.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Emily Long\" \/>\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=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Emily Long\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/knowledge-hub\\\/hgf-presents\\\/undisclosed-disclaimers\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/knowledge-hub\\\/hgf-presents\\\/undisclosed-disclaimers\\\/\"},\"author\":{\"name\":\"Emily Long\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/#\\\/schema\\\/person\\\/6448009bfef4595c7093543a41ec843d\"},\"headline\":\"Undisclosed Disclaimers\",\"datePublished\":\"2025-09-03T15:24:01+00:00\",\"dateModified\":\"2026-02-19T14:25:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/knowledge-hub\\\/hgf-presents\\\/undisclosed-disclaimers\\\/\"},\"wordCount\":87,\"publisher\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/knowledge-hub\\\/hgf-presents\\\/undisclosed-disclaimers\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.hgf.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/Untitled-design-11.png\",\"articleSection\":[\"HGF Presents\",\"Knowledge Hub\"],\"inLanguage\":\"de-DE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/knowledge-hub\\\/hgf-presents\\\/undisclosed-disclaimers\\\/\",\"url\":\"https:\\\/\\\/www.hgf.com\\\/de\\\/knowledge-hub\\\/hgf-presents\\\/undisclosed-disclaimers\\\/\",\"name\":\"Undisclosed Disclaimers - 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