{"id":35834,"date":"2026-09-01T08:30:00","date_gmt":"2026-09-01T06:30:00","guid":{"rendered":"https:\/\/kpw.law\/?p=35834"},"modified":"2026-09-01T11:18:10","modified_gmt":"2026-09-01T09:18:10","slug":"trademark-opposition-fails-due-to-missing-signature","status":"publish","type":"post","link":"https:\/\/kpw.law\/en\/trademark-opposition-fails-due-to-missing-signature\/","title":{"rendered":"Trademark Opposition Fails Due to Missing Signature"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull v4-pattern-hero v4-pattern-hero--post is-style-background-blend is-style-arrow has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-cover alignfull is-light v4-pattern-hero__cover\" style=\"padding-top:var(--wp--preset--spacing--80);padding-bottom:var(--wp--preset--spacing--80);min-height:75vh;aspect-ratio:unset;\"><img data-dominant-color=\"a0a042\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" sizes=\"auto, 100vw\" class=\"wp-block-cover__image-background wp-image-35831 size-large not-transparent\" alt=\"Markenwiderspruch scheitert an fehlender Unterschrift, Markenrecht, Rechtsanwalt\" src=\"https:\/\/kpw.law\/wp-content\/uploads\/Markenwiderspruch-scheitert-an-fehlender-Unterschrift-1024x576.avif\" style=\"--dominant-color: #a0a042; object-position:46% 70%\" data-object-fit=\"cover\" data-object-position=\"46% 70%\" srcset=\"https:\/\/kpw.law\/wp-content\/uploads\/Markenwiderspruch-scheitert-an-fehlender-Unterschrift-1024x576.avif 1024w, https:\/\/kpw.law\/wp-content\/uploads\/Markenwiderspruch-scheitert-an-fehlender-Unterschrift-300x169.avif 300w, https:\/\/kpw.law\/wp-content\/uploads\/Markenwiderspruch-scheitert-an-fehlender-Unterschrift-768x432.avif 768w, https:\/\/kpw.law\/wp-content\/uploads\/Markenwiderspruch-scheitert-an-fehlender-Unterschrift-1536x864.avif 1536w, https:\/\/kpw.law\/wp-content\/uploads\/Markenwiderspruch-scheitert-an-fehlender-Unterschrift-2048x1152.avif 2048w\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-base-background-color has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div style=\"height:5em\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignwide has-global-padding is-content-justification-left is-layout-constrained wp-container-core-group-is-layout-97ba1214 wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:var(--wp--preset--spacing--80);padding-top:var(--wp--preset--spacing--60)\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-a6a2a725 wp-block-group-is-layout-constrained\">\r\n<h1 id=\"multirow-headline-block_ba8bb2db34dffa9ac2f5dc0c232fc90a\" class=\"wp-block-visual4-multirow-headline\">\r\n    <div class=\"wp-block-visual4-multirow-headline\">\n\n<p class=\"has-gigantic-font-size wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0;margin-left:0%;padding-top:0;padding-bottom:0;font-style:normal;font-weight:1000;line-height:1;text-transform:uppercase\">Opposition<\/p>\n\n\n\n<p class=\"has-text-align-left has-huge-font-size wp-block-paragraph\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:5%;padding-top:0;padding-bottom:0;font-style:normal;font-weight:1000;line-height:1;text-transform:uppercase\">fails due to missing<\/p>\n\n\n\n<p class=\"has-contrast-color has-text-color has-link-color has-gigantic-font-size wp-elements-1 wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0;margin-left:0%;padding-top:0;padding-bottom:0;font-style:normal;font-weight:1000;line-height:1;text-transform:uppercase\"><span class=\"v4-marker-highlight-background\">Signature<\/span>.<\/p>\n\n<\/div> \r\n<\/h1>\n\n\n<div class=\"wp-block-group has-small-font-size is-nowrap is-layout-flex wp-container-core-group-is-layout-878d3859 wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:0;padding-top:0;padding-bottom:0;font-style:italic;font-weight:300;text-transform:uppercase\"><div style=\"font-style:italic;font-weight:300;text-transform:uppercase\" class=\"wp-block-post-date has-small-font-size\"><time datetime=\"2026-09-01T08:30:00+02:00\">1. September 2026<\/time><\/div>\n\n\n<p class=\"wp-block-paragraph\">of<\/p>\n\n\n<div style=\"font-style:italic;font-weight:600\" class=\"wp-block-post-author-name\">Clemens Pfitzer<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignwide has-global-padding is-content-justification-left is-layout-constrained wp-container-core-group-is-layout-3b99a472 wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\"><strong>A company files a trademark opposition on time\u2014by fax and also in hard copy\u2014and pays the opposition fee on time. Nevertheless, the opposition is rejected because both documents lack a handwritten signature. A recent decision by the Federal Patent Court illustrates how quickly a purely formal error can derail an otherwise timely proceeding.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n<h2 id=\"h-markenwiderspruch-per-fax-ohne-unterschrift-eingereicht\" class=\"wp-block-heading\">Trademark opposition filed by fax without a signature<\/h2>\n\n<p class=\"wp-block-paragraph\">An opponent filed <a href=\"https:\/\/kpw.law\/en\/services\/opposition-revocation-invalidity-of-a-trademark\/\">an opposition<\/a> against the registration of the word mark DEUTSCHE WURLITZER, citing five prior trademarks. The opposition was received by the German Patent and Trademark Office (DPMA) by fax on October 7, 2022, and in paper form on October 8, 2022, in each case within the statutory three-month period following the publication of the trademark registration on July 8, 2022. However, on both forms, the signature field was filled in only by typewriter; a handwritten signature was missing. The opponent paid the opposition fee within the prescribed time limit.<\/p>\n\n<p class=\"wp-block-paragraph\">The competent trademark division of the DPMA dismissed the opposition as inadmissible in a decision dated December 9, 2025. Applications filed with the DPMA must be signed by hand in accordance with the agency\u2019s formal requirements, and that was precisely what was missing in this case.<\/p>\n\n<p class=\"wp-block-paragraph\">The opponent filed an appeal, citing the Federal Court of Justice\u2019s (BGH) case law regarding so-called \u201ccomputer faxes,\u201d according to which a handwritten signature may, in exceptional cases, be dispensable if the origin and authenticity of the document can be established beyond doubt by other means.<\/p>\n\n<h2 id=\"h-markenwiderspruch-braucht-eigenhandige-unterschrift\" class=\"wp-block-heading\">Trademark opposition requires a handwritten signature<\/h2>\n\n<p class=\"wp-block-paragraph\">The Federal Patent Court dismissed the appeal by <a href=\"https:\/\/www.bundespatentgericht.de\/SharedDocs\/Entscheidungen\/DE\/2026\/30004-26_30072026.pdf?__blob=publicationFile&amp;v=1\">order dated July 30, 2026\u2014Case No. 30 W (pat) 4\/26<\/a>. A computer fax is considered to exist only if the sender is technically unable to sign at all because the document is sent directly from a computer. In this case, however, the objection was transmitted via the law firm\u2019s standard fax machine, meaning the printout could easily have been signed. In such cases, case law continues to require a handwritten signature, as the Federal Court of Justice had already ruled with regard to scanned signatures.  <\/p>\n\n<div class=\"wp-block-group v4-pattern-general-quote-box has-kpw-blue-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--60);margin-bottom:var(--wp--preset--spacing--60)\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"padding-right:var(--wp--preset--spacing--70);padding-left:var(--wp--preset--spacing--70)\">\n<p class=\"wp-block-paragraph\">For this purpose, a handwritten signature\u2014that is, one made without the use of technical aids\u2014is generally required on the original document.<\/p>\n<\/blockquote>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Even the timely payment of the appeal fee did not change this. According to established case law, it does not substitute for a properly filed appeal.<\/p>\n\n<h2 id=\"h-was-man-bei-einlegung-eines-widerspruchs-beachten-sollte\" class=\"wp-block-heading\">What to Keep in Mind When Filing an Objection<\/h2>\n\n<p class=\"wp-block-paragraph\">Anyone submitting a time-sensitive brief by fax should have the printed original signed by hand before sending it. For electronic submissions, such as via DPMAdirekt, the signature is replaced by the designated qualified digital signature. <\/p>\n\n<h2 id=\"h-fazit\" class=\"wp-block-heading\">Conclusion<\/h2>\n\n<div class=\"wp-block-columns v4-pattern-text-copy-half-col is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The fax\u2014a form of communication often considered archaic\u2014remains a staple among lawyers, especially since the DPMA has not yet joined the electronic legal communication system via beA. While many other offices, such as the EUIPO or the USPTO, consider typewritten signatures or initials to be sufficient, strict formal requirements continue to apply in Germany.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This decision shows how easily a trademark opposition that is otherwise promising can fail due to a technicality. It is therefore essential to comply with formal requirements to avoid unpleasant surprises.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignwide has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\">\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignwide v4-pattern-cta-box has-secondary-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-0c8cea62 wp-block-group-is-layout-constrained\" style=\"padding-top:0;padding-right:0;padding-bottom:0\">\n<div class=\"wp-block-columns alignwide are-vertically-aligned-top v4-pattern-cta-box__columns is-layout-flex wp-container-core-columns-is-layout-71c143ff wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-bottom:0\">\n<div class=\"wp-block-column is-vertically-aligned-top v4-pattern-cta-box__columns-column is-layout-flow wp-container-core-column-is-layout-fb77afb0 wp-block-column-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--50);padding-bottom:0;flex-basis:60%\">\n<div class=\"wp-block-group alignwide has-global-padding is-content-justification-right is-layout-constrained wp-container-core-group-is-layout-1931a79c wp-block-group-is-layout-constrained\">\r\n<div id=\"multirow-headline-block_0dc6dd2d8a1dce30412ebde98e14dafc\" class=\"wp-block-visual4-multirow-headline alignwide\">\r\n    <div class=\"wp-block-visual4-multirow-headline\">\n\n<p class=\"has-text-align-left has-huge-font-size wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0;margin-left:0%;padding-top:0;padding-bottom:0;font-style:normal;font-weight:1000;line-height:1;text-transform:uppercase\">We\u2019d be happy to<\/p>\n\n\n\n<p class=\"has-text-align-left has-x-large-font-size wp-block-paragraph\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:8%;padding-top:0;padding-bottom:0;font-style:normal;font-weight:1000;line-height:0.9;text-transform:uppercase\">you on<\/p>\n\n\n\n<p class=\"has-text-align-left has-huge-font-size wp-block-paragraph\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0%;padding-top:0;padding-bottom:0;font-style:normal;font-weight:1000;line-height:0.9;text-transform:uppercase\">Trademark law!<\/p>\n\n<\/div> \r\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-9da75b5c wp-block-group-is-layout-flex\" 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href=\"tel:4971141019030\" style=\"padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50);font-style:normal;font-weight:600\">Call now!<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top v4-pattern-cta-box__columns-column v4-pattern-cta-box__columns-column--image is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<figure class=\"wp-block-image size-full v4-pattern-cta-box__columns-column__image\"><img decoding=\"async\" src=\"https:\/\/kpw.law\/wp-content\/themes\/kpw-law\/assets\/samples\/person-cropped.png\" alt=\"\" class=\"wp-image-23155\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Federal Patent Court confirms: A trademark opposition without a handwritten signature is inadmissible, even if the fee was paid on time.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[4904],"tags":[6148,6599,6600,6149,6598],"thema":[4895],"rechtsgebiet":[4898],"produkt":[],"class_list":["post-35834","post","type-post","status-publish","format-standard","hentry","category-general","tag-contradiction","tag-fax","tag-formalities","tag-opposition-proceedings","tag-signature","thema-marke-en","rechtsgebiet-markenrecht-en"],"acf":[],"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>Trademark Opposition Fails Due to Missing Signature<\/title>\n<meta name=\"description\" content=\"The Federal Patent Court has confirmed that a trademark opposition without a handwritten signature is inadmissible, even if the 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