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Ideas thrive better under professional protection.

Dr. Andreas Oser

Dr. rer. nat., Dipl.-Chem., Master of Laws
German Patent Attorney, European Patent Attorney,
European Trademark and Design Attorney
Registered Representative before the Unified Patent Court

+49 89 69 39 21-0oser@pruefer.eu

Professional career

BIOGRAPHY:
Andreas 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 Prüfer & Partner since 2002.
In addition he holds an LL.M. degree in International Intellectual Property Laws (University of Hagen).
Prior 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.

LANGUAGES:
German, English, French

Specialist areas of activity

ACTIVITIES:

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

Andreas Oser was and is currently involved in many litigation cases, among others related to medical devices and important drug products.

AREAS OF EXPERTISE:

chemistry, pharmaceuticals, life science and biotechnology, in particular:

  • medicaments and drugs (active substances, formulations), biopharmaceuticals
  • biological materials, DNA-related inventions and vaccines
  • therapeutic and diagnostic methods
  • medical products and devices and targeted drug delivery
  • polymers, fibre materials, composites
  • semiconductors, LEDs, OLEDs and other optical materials and optoelectronic devices,
  • batteries and their components

Publications and memberships:

Publications

Oser A. and Sonnenhauser S., JUVE Handbuch Wirtschaftskanzleien 2022/2023, 773-774: “Plausibilität – ein ungelöstes Problem bei der Patenterteilung”

Schmidt T. and Oser A., GRUR Int 2019, 737: “New medical uses of known medical devices – A new perspective on purpose-limited product protection for medical devices in Europe”

Oser A. in GRUR Int 1998, 648 (=IIC 30, 1-18, 1999): “Patenting (Partial-)Gene Sequences”

Oser A., PATENTS & LICENSING 1998, 30: “EU Directive on Legal Protection of Biotech Inventions”

Oser A. and Bavec S., AIPPI Japan 2004 (Vol. 49 No. 7), 503: “Biotech Inventions in Europe”

Oser A. in GRUR Int 2006, 539 (=IIC 37, 520-550, 2006): “European Patent Litigation Agreement – Admissibility and Future of a Patent Dispute Regulation in Europe”

Thieme R„ Lay H., Oser A., Lehmann J., Wrissenberg S. and Boos W., Eur, J.Biochem. 160, 83-91 (1986)

Oser A., Roth W.K. and Valet G., Nucl. Acids Res. 16, 1181-1196 (1988)

Oser A. and Valet G., Nucl. Acids Res. 16, 8178 (1988)

Rothe G., Oser A. and Valet G., Naturwissenschaften 75, 354-355 (1988)

Oser A., Collasius M. and Valet G., Anal.Biochem. 191(2), 295-301 (1990)

Oser A. and Valet G., Angewandte Chemie International Edition 29(10), 1167-1169 (1990)

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)

Oser A. and Valet G. (1988), Patent Applications WO8907606A, DE3804243A

Memberships

Chamber of Patent Attorneys
epi – European Patent Institute
Member of the Biotech Committee of the epi
AIPPI – International Association for the Protection of Intellectual Property
FICPI – International Federation of Intellectual Property Attorneys
LES – Licensing Executives Society
GDCh – Gesellschaft Deutscher Chemiker

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All success comes from trust

Dr. Susanne Sonnenhauser

Dr. rer. nat., Dipl.-Biol., German Patent Attorney,
European Patent Attorney, European Trademark & Design Attorney
Registered Representative before the Unified Patent Court
Registered Representative before the Austrian Patent Office

+49 89 69 39 21-0sonnenhauser@pruefer.eu

Professional career

BIOGRAPHY:
Ms Sonnenhauser has been working in the field of intellectual property since 2005, and is admitted as a German Patent Attorney and European Patent Attorney. She has been with Prüfer & Partner since 2008.

Susanne Sonnenhauser has studied biology at the Technical University of Munich with a focus on genetics, microbiology and immunology and has graduated in 2001 with a diploma thesis in the field of analysis of signal transduction in cells. Subsequently, she completed her doctoral thesis in the field of regulation of the immune response.

LANGUAGES:
German, English, French

Specialist areas of activity

ACTIVITIES:

  • Patent prosecution (patent drafting; examination proceedings)
  • opposition and appeal proceedings
  • Infringement and validity opinions, freedom-to-operate (FTO)-analyses, due diligence
  • consultancy with regard to trademarks (trade mark application, developing of a trade mark strategy, developing of a trade mark portfolio)

AREAS OF EXPERTISE:
Pharma, life science and biotechnology, in particular:

  • medicaments (active substances, formulations), biopharmaceuticals
  • virology and genetic engineering
  • biological materials, DNA-related inventions and vaccines
  • therapeutic and diagnostic methods
  • medical products and devices, targeted drug delivery
  • medical technology (such as balloon catheters)

Publications and memberships

Publications

Oser A. und Sonnenhauser S., JUVE Handbuch Wirtschaftskanzleien 2022/2023, 773-774: “Plausibilität – ein ungelöstes Problem bei der Patenterteilung”

Memberships

Chamber of Patent Attorneys
epi – European Patent Institute
FICPI – International Federation of Intellectual Property Attorneys

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True greatness consists of being great in the little things.

Dr. Cheng Cheng

Dr. rer. nat., B.Sc., M.Sc. (Pharmacy)
Patent Professional

+49 89 69 39 21-0cheng@pruefer.eu

Professional career

BIOGRAPHY:
Dr. Cheng Cheng has been working as a patent professional at Prüfer & Partner since March 2018. Dr Cheng Cheng studied and completed her Ph.D. degree under an EU research program in drug discovery at the Graduate School of Life Science of the University of Würzburg (Germany). Prior to her PhD study, she completed her Master’s degree in Pharmaceutical Science at the University of Strathclyde in Glasgow (UK), and a degree of Bachelor of Science (BS) in Pharmacy at the Shanghai University of Traditional Chinese Medicine (China). During her studies she also worked as a research assistant at the University of Strathclyde and as an internship student at AstraZeneca in Macclesfield in the UK.

LANGUAGES:
Chinese, English, German (basic knowledge)

Specialist areas of activity

ACTIVITIES:

  • Dr. Cheng Cheng mainly handles patent prosecution and opposition matters before the European Patent Office.
  • Dr. Cheng Cheng was also involved in patent due dilligence

AREAS OF EXPERTISE:

  • Pharmaceuticals
  • Biotechnology
  • Biochemistry
  • Medicinal chemistry
  • Metabolomics
  • Immunology
  • Microbiology
  • Natural products

Publications and memberships

Publications

Cheng C et al., Nat. Prod. Res., 2017 Dec; 31(23), 2818-2823

El-Hossary EM, Cheng C et al., Eur. J. Med. Chem., 2017 Jan; 126, 631-651

Cheng C et al., Tet. Lett., 2016 Sep; 57 (37), 4196-4199

Cheng C et al., Tet. Lett., 2016 June; 57 (25), 2786-2789

Horn H, Cheng C et al., Mar. Genomics., 2015 Dec; 24, 285-287

Abdelmohsen UR, Cheng C et al., Planta Med. 2015 Mar; 81(5), 382-387

Cheng C et al., PLoS ONE, 2015 Sep; 10(9): e0138528

Abdelmohsen UR, Cheng C et al., Mar. Drugs., 2014 Mar; 12 (3), 1220-1244

Memberships

No memberships