We are pleased to be recommended again in the latest…
H. Ulrich Dörries
Partner
Dr. sc. nat., Dipl.-Biol.
+ 49 89 210 296 0
ulrich.doerries@df-mp.com

practice areas.
A main aspect of Dr. Dörries’ practice is advising and representing clients in opposition proceedings, nullity actions and patent infringement proceedings and providing corresponding opinions. He has successfully enforced and/or defended his clients’ interests in various high profile patent disputes. Another aspect of his practice is drafting and prosecuting patent applications before the GPTO and the EPO. He has furthermore comprehensive expertise in advising on supplementary protection certificates and coordinating the filing and prosecution of corresponding applications in Germany and throughout Europe.
We are delighted to be listed again in this year's…
df-mp joins the ranks of "highly recommended" patent law firms…
We proudly announce that df-mp is among the most recommended patent…
Teva and df-mp can report another success: In an appeal…
Ulrich Dörries "eloquent and charismatic" style, along with his "sense of humour", are the icing on the cake for biotech and pharmaceutical clients who already enjoy his "devotion and creativity".
IAM Patent 1000, 2019
H. Ulrich Dörries is recognized by peers as "an excellent patents agent", who is known for the "brilliant written submissions" he provides to both German and international clients.
Who's Who Legal: Germany 2019
A razor-sharp Hans Ulrich Dörries has extensive experience advising on issues surrounding SPC's.
IAM 1000, 2018 Edition
admissions.
- German Patent Attorney
- European Patent Attorney
- European Trademark Attorney
- European Design Attorney
references and activities.
- Authored various scientific articles in international journals
- Authored various articles on the development of patent law in the field of biotechnology/pharmaceuticals
- Speaker at various international patent conferences (organized, e.g., by EuroForum, EuroLegal, IQPC, ACI, CIPA – Chartered Institute of Patent Agents, EPLA, C5 etc.) on topics related to the procurement and enforcement of IP rights in the pharmaceutical/biotech area
- Recommended in IAM 1000 2018 for “Prosecution and Nullity” in Germany
- Named as IP Star in the “Managing Intellectual Property (MIP) Handbook” 2018
- Listed as “Most Highly Regarded” in the category “Patent Agents” in Who’s Who Legal: Germany 2019
curriculum vitae.
Representative cases.
- Escitalopram / Cipralex®: nullity action (Federal Supreme Court (FSC) Xa ZR 130/07 – Escitalopram
- Memantin / Memantin Merz®: nullity action (FSC X ZR 68/08 – Memantine)
- Factor VIII / Octanat®: nullity action, FSC X ZR 77/12 – Protein Separation
- Quetiapin / Seroquel XR®: nullity action, FSC X ZR 41/13 – Quetiapine
- Valganciclovir / Valcyte®: nullity action, BGH X ZR 105/14 – Valganciclovir
- Pregabalin / Lyrica®: patent infringement proceedings
- Erlotinib / Tarceva®: nullity action
- DMF / Tecfidera®: opposition proceedings, utility model cancellation proceedings, patent infringement proceedings
- Tadalafil / Cialis®: nullity action
- Pirfenidon / Esbriet®: opposition proceedings
- Tenofovir-Emtricitabin / Truvada®: nullity action re. SPC
- Denosumab / Prolia®, Xgeva®: various opposition proceedings
- Natalizumab / Tysabri®: nullity action
- Evolocumab / Repatha®/ Alirocumab®/ Praluent®: opposition proceedings, patent infringement proceedings, compulsory license proceedings