{"id":5012,"date":"2022-08-03T12:42:52","date_gmt":"2022-08-03T12:42:52","guid":{"rendered":"https:\/\/pruefer.eu\/team\/dr-andreas-oser\/"},"modified":"2026-10-20T13:33:59","modified_gmt":"2026-10-20T13:33:59","slug":"dr-andreas-oser","status":"publish","type":"teammitglieder","link":"https:\/\/pruefer.eu\/en\/team\/dr-andreas-oser\/","title":{"rendered":"Dr. Andreas Oser"},"content":{"rendered":"\n\n\n\n\n
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Ideas thrive better under professional protection.<\/div>\n
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Dr. Andreas Oser<\/h1>\n
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Dr. rer. nat., Dipl.-Chem., Master of Laws
\nGerman Patent Attorney, European Patent Attorney,
\nEuropean Trademark and Design Attorney
\nRegistered Representative before the Unified Patent Court<\/p>\n

+49 89 69 39 21-0<\/a>oser@pruefer.eu<\/a><\/p>\n<\/div>\n \n\n <\/div>\n\n <\/div>\n \n \n <\/div>\n<\/section>\n<\/polygon><\/svg>\n\n\n\n\n\n
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Professional career <\/h2>\n

BIOGRAPHY<\/b>:
\nAndreas Oser has been working in the IP field since 1991, became a German and European patent attorney in 1995 and has been managing partner at Pr\u00fcfer & Partner since 2002.
\nIn addition he holds an LL.M. degree in International Intellectual Property Laws (University of Hagen).
\nPrior to working in the IP field, he studied chemistry at the University of Freiburg i. Brsg., and then completed his Ph.D. and postdoctorate scientific work at the Max Planck Institute for Biochemistry in Munich.<\/p>\n

LANGUAGES:<\/b>
\nGerman, English, French<\/p>\n

AWARDS:<\/strong><\/p>\n\"IAM<\/a>\n <\/div>\n <\/div>\n

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Specialist areas of activity<\/h2>\n
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ACTIVITIES<\/b>:<\/p>\n

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  • Patent prosecution (drafting, examination)<\/li>\n
  • High number of opposition and appeal proceedings at the European Patent Office<\/li>\n
  • Patent litigation:\n
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    • Patent infringement proceedings before German courts<\/li>\n
    • nullity proceedings up to the highest instance, the Federal Supreme Court; also covering coordinated and complex EU-wide litigation activities<\/li>\n<\/ul>\n<\/li>\n
    • Infringement and validity opinions, freedom-to-operate (FTO) analyses, due diligence<\/li>\n<\/ul>\n

      Andreas Oser was and is currently involved in many litigation cases, among others related to medical devices and important drug products.<\/p>\n <\/div>\n <\/div>\n

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      AREAS OF EXPERTISE<\/b>:<\/p>\n

      chemistry, pharmaceuticals, life science and biotechnology, in particular:<\/p>\n

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      • medicaments and drugs (active substances, formulations), biopharmaceuticals<\/li>\n
      • biological materials, DNA-related inventions and vaccines<\/li>\n
      • therapeutic and diagnostic methods<\/li>\n
      • medical products and devices and targeted drug delivery<\/li>\n
      • polymers, fibre materials, composites<\/li>\n
      • semiconductors, LEDs, OLEDs and other optical materials and optoelectronic devices,<\/li>\n
      • batteries and their components<\/li>\n<\/ul>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n \n<\/section>\n<\/polygon><\/svg>\n\n\n\n\n\n
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        Publications and memberships:<\/h2>\n
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        Publications<\/h3>\n

        Oser A. and Sonnenhauser S., JUVE Handbuch Wirtschaftskanzleien 2022\/2023, 773-774: “Plausibilit\u00e4t \u2013 ein ungel\u00f6stes Problem bei der Patenterteilung”<\/p>\n

        Schmidt T. and Oser A., GRUR Int 2019, 737: “New medical uses of known medical devices \u2013 A new perspective on purpose-limited product protection for medical devices in Europe”<\/p>\n

        Oser A. in GRUR Int 1998, 648 (=IIC 30, 1-18, 1999): \u201cPatenting (Partial-)Gene Sequences\u201d<\/p>\n

        Oser A., PATENTS & LICENSING 1998, 30: \u201cEU Directive on Legal Protection of Biotech Inventions\u201d<\/p>\n

        Oser A. and Bavec S., AIPPI Japan 2004 (Vol. 49 No. 7), 503: \u201cBiotech Inventions in Europe\u201d<\/p>\n

        Oser A. in GRUR Int 2006, 539 (=IIC 37, 520-550, 2006): \u201cEuropean Patent Litigation Agreement – Admissibility and Future of a Patent Dispute Regulation in Europe”<\/p>\n

        Thieme R\u201e Lay H., Oser A., Lehmann J., Wrissenberg S. and Boos W., Eur, J.Biochem. 160, 83-91 (1986)<\/p>\n

        Oser A., Roth W.K. and Valet G., Nucl. Acids Res. 16, 1181-1196 (1988)<\/p>\n

        Oser A. and Valet G., Nucl. Acids Res. 16, 8178 (1988)<\/p>\n

        Rothe G., Oser A. and Valet G., Naturwissenschaften 75, 354-355 (1988)<\/p>\n

        Oser A., Collasius M. and Valet G., Anal.Biochem. 191(2), 295-301 (1990)<\/p>\n

        Oser A. and Valet G., Angewandte Chemie International Edition 29(10), 1167-1169 (1990)<\/p>\n

        Rothe G., Banati R., Oser A., Assfalg-Machleidt I., Mangel W.F., Machleidt W., Kreutzberg G.W. and Valet G., Journal Immunol. Methods. 138(1), 133-135 (1991)<\/p>\n

        Oser A. and Valet G. (1988), Patent Applications WO8907606A, DE3804243A<\/p>\n <\/div>\n<\/div> <\/div>\n

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        Memberships<\/h3>\n

        Chamber of Patent Attorneys
        \nepi – European Patent Institute
        \nMember of the Biotech Committee of the epi
        \nAIPPI – International Association for the Protection of Intellectual Property
        \nFICPI – International Federation of Intellectual Property Attorneys
        \nLES – Licensing Executives Society
        \nGDCh – Gesellschaft Deutscher Chemiker<\/p>\n <\/div>\n<\/div> <\/div>\n <\/div>\n <\/div>\n \n<\/section>\n","protected":false},"excerpt":{"rendered":"

        (Managing Partner since 2002) Patent Attorney<\/p>\n","protected":false},"featured_media":15766,"template":"","team-kategorie":[120,116,104,118,99,100,113,114,112,119,107,103],"class_list":["post-5012","teammitglieder","type-teammitglieder","status-publish","has-post-thumbnail","hentry","team-kategorie-biotech-life-science-en","team-kategorie-chemical-engineering-en","team-kategorie-chemistry","team-kategorie-m-a-ip-due-diligence-en","team-kategorie-managing-partner","team-kategorie-medical-technology","team-kategorie-partner-en","team-kategorie-patent-attorneys","team-kategorie-patent-law","team-kategorie-pharmaceuticals","team-kategorie-property-rights-infringement-litigation-proceedings","team-kategorie-semiconductor-technology-material-sciences"],"acf":[],"yoast_head":"\nDr. Andreas Oser - Pr\u00fcfer & Partner<\/title>\n<meta name=\"description\" content=\"Dr. Andreas Oser, managing partner and patent attorney at Pr\u00fcfer & Partner, Munich \u2013 pharmaceuticals, biotechnology, chemistry. 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