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What you think is the summit is only a step up.
Lucius Aenneus Seneca, called Seneca the Younger

Dr. Dorothea Hofer

Dr. rer. nat., Dipl.-Phys. (Univ.),
Patent Attorney, European Patent Attorney,
European Trademark & Design Attorney
Registered Representative before the Unified Patent Court (UPC)

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

Professional career

BIOGRAPHY:
Dr. Dorothea Hofer has been with Prüfer & Partner since 1993 and has been a managing partner since 1998. She gained her Ph.D. in physics at the LMU Munich.
After studying physics at LMU Munich, she also worked for Siemens in the area of semiconductor physics.

LANGUAGES:
German, English, French

Specialist areas of activity:

ACTIVITIES:

  • conducting litigation proceedings:
    • patent and utility model infringement proceedings (before the District Courts of Munich, Düsseldorf, Mannheim and Hamburg and before the competent Higher District Courts)
    • opposition proceedings before the EPO and the GPTO, nullity proceedings before the Federal Patent Court and the Federal Court of Justice
  • cooperating with foreign associates in patent infringement proceedings in foreign countries such as Italy, France, Japan and the US
  • elaboration of patent applications, also with regard to the requirements of the USPTO
  • prosecution of patent application
  • advice on employee invention issues
  • elaboration of licence agreements
  • consultancy with regard to research and cooperation agreements
  • advice on trademarks and designs

SPECIAL FIELDS:

  • physics
  • medical technology
  • 2D and 3D print
  • semiconductors

Publications and memberships

Publications

D. Hofer et al., “Direct and multiple excitations in 96Zr from inelastic scattering experiments”, Nucl. Phys. A 551 (1993), 173-209

Hofer, D., Stocker, W., “A Dirac particle in a scalar potential depending on one spatial coordinate”, (1989), Phys. Lett. A, 138, 463-464

Memberships

epi – European Patent Institute
AIPPI – International Association for the Protection of Intellectual Property
Chamber of Patent Attorneys
VPP – Association of Intellectual Property Experts
GRUR – German Association for the Protection of Intellectual Property and Copyright

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As an optimist, for me there are no problems but tasks to be solved. And puzzling over the best solution is for me like being a researcher uncovering a secret.

Jürgen Feldmeier

Dipl.-Ing. (Univ.) Mechanical Engineering, Master of Laws
Patent Attorney, European Patent Attorney,
European Trademark & Design Attorney
Registered Representative before the Unified Patent Court

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

Professional career

BIOGRAPHY:
Jürgen Feldmeier has been a patent attorney since 1992 and has been the managing partner of Prüfer & Partner since 2001.
Prior to his training as a patent attorney, he gained practical experience at BMW Technik GmbH, Hurth and Convotherm.
He studied mechanical engineering with a focus on design and development at the TU Munich. He also acquired the Master of Laws (LL.M. European Intellectual Property).

LANGUAGES:
German (mother tongue), English (business fluent), French (basic knowledge)

Specialist areas of activity

ACTIVITIES:

  • application procedures for patents, trademarks, designs
  • litigation in patent, trademark and design issues
  • prosecution procedures at GPTO, EPO, FPC, EUIPO
  • participation in more than 100 litigation proceedings (infringement proceedings, nullity and opposition proceedings) before the patent offices and the courts of Munich, Düsseldorf, Mannheim and Hamburg, as well as the Higher Regional Court of Karlsruhe, the Higher Regional Court of Düsseldorf and the Federal Court of Justice

AREAS OF EXPERTISE:
Technical knowledge and experience in the fields of:

  • automotive technology
  • machine tools and components
  • precision engineering
  • mechanical components of all kinds
  • medical technology
  • sports equipment
  • mechatronic components, control and regulation technology
  • process engineering, especially in the food industry

Publications and memberships

Publications

“Protection and allowance for (industrial) intellectual property in European Community Law]

Memberships

epi – European Patent Institute
Chamber of Patent Attorneys
AIPPI – International Association for the Protection of Intellectual Property
FICPI – International Federation of Intellectual Property Attorneys
INTA – International Trademark Association
EPLIT – European Patent Litigators Association

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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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My factors for success? Technology and law in a humane manner!

Dr. Christian Gärtner

Dr.-Ing., Dipl.-Ing. (Process Engineering)
Master of Science in Chemical Engineering (Univ. of Wisconsin)
Patent Attorney, European Patent Attorney,
European Trademark & Design Attorney
Registered Representative before the Unified Patent Court

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

Professional career

BIOGRAPHY:
Dr. Christian Gärtner has been working as a patent professional at Prüfer & Partner since December 2013, and he has been German Patent Attorney and European Patent Attorney since 2017.
Previously, he was a research associate at Chair 2 for Technical Chemistry at the Technical University of Munich and was responsible for a co-operation project for the dehydrogenation of hydrocarbons with Solvay SA in Brussels.
Prior to that, Dr. Christian Gärtner worked with Prof. James A. Dumesic as a research associate at the Heterogeneous Catalysis Group at the Department of Chemical and Biological Engineering at the University of Wisconsin – Madison, USA, and worked on the conversion of biomass to fuels. He graduated his studies in Chemical Engineering as Master of Science.
Dr. Christian Gärtner has gained practical experience in the industry through internships at BASF SE (technical development, acid gas scrubbing) and at Robert Bosch GmbH, department of polymer technology technology in Waiblingen.
Dr. Christian Gärtner graduated with distinction in process engineering at the University of Stuttgart.

LANGUAGES:
German, English, Spanish

Specialist areas of activity

ACTIVITIES:

  • Patent drafting and patent prosecution before the German Patent Office (DPMA) and the EPO
  • Opposition and appeal proceedings
  • Expert opinions
  • Participation in patent litigation

AREAS OF EXPERTISE:

  • heterogeneous catalysis
  • process engineering
  • chemical processes
  • materials
  • reaction technology
  • thermodynamics
  • food technology
  • medical technology
  • formulations
  • sports equipment

Publications and memberships

Publications

C.A. Gärtner, A.C. van Veen, J.A. Lercher: “Oxidative dehydrogenation of ethane on dynamically rearranging supported chloride catalysts”, Journal of the American Chemical Society 136 (36), 12691-12701

C.A. Gärtner, A.C. van Veen, J.A. Lercher: “Highly Selective Supported Alkali Chloride Catalysts for the Oxidative Dehydrogenation of Ethane”, Topics in Catalysis 57 (14-16), 1236-1247

C.A. Gärtner, A.C. van Veen, J.A. Lercher: “Oxidative Dehydrogenation of Ethane: Common Principles and Mechanistic Aspects”, ChemCatChem 5 (11), 3177–3403

C.A. Gärtner, J.C. Serrano-Ruiz, D.J. Braden, J.A. Dumesic: “Ketonization Reactions of Carboxylic Acids and Esters over Ceria – Zirconia as Biomass-Upgrading Processes”, Industrial & Engineering Chemistry Research 49 (13), 6027-6033

C.A. Gärtner, J.C. Serrano-Ruiz, D.J. Braden, J.A. Dumesic: “Catalytic Upgrading of Bio-Oils by Ketonization”, ChemSusChem 2 (12), 1121-1124

C.A. Gärtner, J.C. Serrano-Ruiz, D.J. Braden, J.A. Dumesic: “Catalytic coupling of carboxylic acids by ketonization as a processing step in biomass conversion”, Journal of Catalysis 266 (1), 71-78

E.L. Kunkes, D.A. Simonetti, R.M. West, J.C. Serrano-Ruiz, C.A. Gärtner, J.A. Dumesic: “Catalytic conversion of biomass to monofunctional hydrocarbons and targeted liquid-fuel classes”, Science 322 (5900), 417-421

R.M. West, Z.Y. Liu, M. Peter, C.A. Gärtner, J.A. Dumesic: “Carbon–carbon bond formation for biomass-derived furfurals and ketones by aldol condensation in a biphasic system”, Journal of Molecular Catalysis A: Chemical 296 (1), 18-27

Memberships

epi – European Patent Institute
Chamber of Patent Attorneys
FICPI – International Federation of Intellectual Property Attorneys
VDI – Association of German Engineers
DECHEMA – Society for Chemical Engineering and Biotechnology

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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

+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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Complex tasks are like a slalom. The aim here is the ideal line.

Marion Ziliox

Professional career

BIOGRAPHY:
Marion Ziliox has been an attorney at Prüfer & Partner since 2011. Before that, she practised the profession at Bardehle Pagenberg in Munich and in a medium-sized patent law firm.
She studied law at the university of Freiburg i. Brsg.

LANGUAGES:
German, French (second mother tongue), English, Spanish, good understanding of Italian

Specialist areas of activity

ACTIVITIES:

  • Advice and representation in patent litigation in a wide variety of technical areas
  • Advice in regard to and drafting of agreements concerning IP-relevant matters and copyright law, in particular research and development agreements, licensing agreements, purchase agreements
  • Industry-specific experience: mechanical engineering, automotive, medical engineering, construction, rail vehicles, waste water technology, measurement technology, chemistry, pharmaceutical, entertainment electronics, software, sporting goods, fashion, furniture, luxury articles, wine

AREAS OF EXPERTISE:

  • patent and trademark law
  • IP contracts
  • regularly IP-relevant antitrust and competition law
  • copyright, design and employee invention law

Publications and memberships

Publications

No publications

Memberships

No memberships

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Curiosity and attentiveness are the foundation of all knowledge and progress

Markus Adamczyk

Dipl.-Inf.,
European and German Patent Attorney,
European Trademark and Design Attorney
Patent Attorney/Attorney-at-law
Registered Representative before the Unified Patent Court

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

Professional career

BIOGRAPHY:
Markus Adamczyk has been a partner at Prüfer & Partner since 2009 and has been working there as a legal and patent attorney.
Prior to that, he worked for Mannesmann Pilotentwicklung/Vodafone Group R&D.
After studying law at the LMU Munich, he passed his legal internship at the Bavarian Higher Regional Court. In addition, he completed a computer science course with a minor in mechanical engineering.

LANGUAGES:
German (mother tongue), English, French (basic knowledge)

Specialist areas of activity

ACTIVITIES:

  • Patent infringement proceedings before regional court of Mannheim, Higher Regional Court Karlsruhe, Regional Court/Higher Regional Court Düsseldorf, Regional Court Munich I, Higher Regional Court Munich
  • Nullity proceedings and cancellation proceedings before the German Patent Office (DPMA), the German Federal Patent Court (BPatG), and the German Federal Court of Justice (BGH)
  • Filing, opposition and appeal proceedings before the German Patent and Trademark Office and the European Patent Office.
  • Infringement reports

AREAS OF EXPERTISE:

  • computer-implemented inventions (software development, data bases, data network technology, cryptography and security systems, audio and video coding, search engines, user interfaces)
  • automotive technology (air-conditioning/compressors, exhaust systems, engine and system control, brake systems, airbags, chassis, sensors)
  • measurement and process technology (weighing systems, bulk transport, packaging)
  • mechatronics, precision engineering (print systems)
  • mechanical engineering (machine tool control, manipulator management, cable/tube layout)

Publications and memberships

Publications

No publications

Memberships

epi – European Patent Institute
Chamber of Patent 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

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If you put your mind to it, you can do it; If you do not, you cannot – that is true for all things. When something cannot be done, you are the one to blame for not putting your heart into it.
Uesugi Yozan (1751-1822)

Dr. Christian Einsel

Dr. rer. nat., Dipl.-Phys.,
Patent Attorney, European Patent Attorney
Registered Representative before the Unified Patent Court

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

Professional career

BIOGRAPHY:
Dr. Christian Einsel has been working at Prüfer & Partner since 2006.
He trained as a patent attorney in Munich, is a European Patent Attorney and has already worked as a development engineer for production control systems at Siemens AG (Semiconductor Group), and Infineon Technologies AG.
After his doctorate at the Christian-Albrechts-University in Kiel, he was employed as a research assistant at ARI (Center for Astronomy, University of Heidelberg).
He studied geophysics/physics at the Georg-August University Göttingen.

LANGUAGES:
German, English, Japanese (basic knowledge)

Specialist areas of activity

ACTIVITIES:

  • Patent applications: Drafting and prosecuting up to grant including appeal proceedings
  • Advice on licensing agreements
  • Participation in patent litigation (infringement, nullity and opposition proceedings), including: Brother ./. Pelikan

AREAS OF EXPERTISE:

  • physics, in particular semiconductor crystals including photolithographic structuring and LEDs
  • construction physics, energy technology
  • optics (visual aids)
  • computers and peripherals, including printers (inkjet, laser, label printers)
  • automation (process control), process engineering and apparatus engineering, weighing technology
  • automotive engineering
  • metrology and network technology (including interfaces, connectors, cables)
  • generative layer construction methods including laser sintering and stereolithography
  • medical technology (including+B4 implants and surgical instruments)
  • EDP and software

Publications and memberships

Publications and memberships

Einsel et al., “Chemically consistent evolution of galaxies: broad band colours and Mg2”, Astronomy & Astrophysics 296 (1995), p. 347

Einsel et al., “Dynamical evolution of rotating stellar systems – I. Pre-collapse, equal-mass system”, Monthly Notices of the Royal Astron. Society 302 (1999), p. 81

Kim et al., “Dynamical evolution of rotating stellar systems – II. Post-collapse, equal-mass system”, Monthly Notices of the Royal Astron. Society 334 (2002), p.310

Memberships

Chamber of Patent Attorneys
epi – European Patent Institute
GRUR – German Association for the Protection of Intellectual Property and Copyright
DJJV – German-Japanese Association of Jurists
Examination Commission of Patent Attorneys (2009-2015)
Board of Trustees of the Aid Foundation of the Chamber of Patent Attorneys

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Patent processes are like puzzles – fun and complexity increase with the number of parts.

Dr. Ulrike Henneböhle

Dr.-Ing., Dipl.-Ing. (Univ.)
European Patent Attorney

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

Professional career

BIOGRAPHY: Dr. Ulrike Henneböhle has been working in the field of intellectual property since 2006 and became European Patent Attorney in 2010 amd has been working as European Patent Attorney at Prüfer & Partner since 2017.
She worked as head of intellectual property for TRUMPF Medizin Systeme GmbH + Co. KG prior joining Prüfer & Partner. Until 2011 she also worked several years for TRUMPF Werkzeugmaschinen GmbH + Co. KG in the field of IP.
Frau Dr. Henneböhle studied mechanical engineering with a major in production technologies at the RWTH Aachen. She holds a PhD degree from the RWTH Aachen in cooperation with EADS Deutschland GmbH.

LANGUAGES:
German, English

Specialist areas of activity

ACTIVITIES:

  • Patent prosecution
  • Opposition and appeal proceedings
  • Infringement and validity opinions

AREAS OF EXPERTISE:

  • Production technology, in particular joining technologies
  • Laser technologies and processes
  • Generative processes
  • Optics
  • Medical engineering
  • Aerospace technology (processes and materials)

Publications and memberships

Publications and memberships

No publications

Memberships

epi – European Patent Institute