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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

+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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Even the longest way begins with the first step.
Konfuzius

Christoph Jaeckel

Attorney-at-Law
(Cooperation Partner)

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

Professional career path

BIOGRAPHY:
Christoph Jaeckel has been working as a freelance lawyer since March 2021 and supports Prüfer & Partner as a cooperation partner, in particular for intellectual property rights related to China . Before that, he first worked for a law firm specialized in trademark law in Berlin and later worked for six years in the area of trademark law and patent law in Shanghai, China. He studied law at the Free University of Berlin and completed his legal traineeship at Kammergericht Berlin.

LANGUAGES:
German, English, Chinese

Specialst areas of activity

ACTIVITIES:

  • Filing and enforcement of trademarks
  • Advising on IP strategy (filing and enforcement) in China
  • Managing the enforcement of IP cases for German clients in China
  • Advising Chinese companies on all IP matters when entering the German market and when it comes to enforcing their IP in Germany.

AREAS OF EXPERTISE:

  • Trademark law
  • Patent law

Publications and memberships

Publications and memberships

“Modeschutz – Gewerbliche Schutzrechte für Modeneuheiten und Modeunternehmen” Christoph Jaeckel, presentation, 13 October 2010, Hamburg,

“Strategie-Frage, Schutz des Designs vor Nachahmungen”, Christoph Jaeckel, China Contact 2009, p. 43-44,

“Rechtsschutz gegen unberechtigte Schutzrechtsverwarnungen”, Christoph Jaeckel (co-author), MarkenR 2008, p. 365-378,

“Die bösgläubige Markenanmeldung”, Christoph Jaeckel (co-author), MarkenR 2008, p. 296-309.

“Schutz geistigen Eigentums, geheim halten oder aktiv patentieren?” Christoph Jaeckel, ChinaContact 09/10 2019 S. 22-23

“Schneller Schutz mit Gebrauchsmustern” Christoph Jaeckel ChinaContact 11/12 2019 S. 44-46

Memberships

DAV – German Bar Association
DCJV – German Chinese Lawyers Association
ECTA – European Communities Trade Mark Association
GRUR – German Association for the Protection of Intellectual Property
Chamber of Attorneys-at-Law Munich

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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

Attorney-at-Law

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

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 (oral and written)

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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