Attorneys-at-law
14 UPC Representatives · 14 SEP Litigators
Germany · And other UPC member states
Short self-description
PENTARC is a next-generation IP and patent litigation boutique, founded in October 2025. With one of the most experienced UPC litigation teams in Europe, it has been described as “the largest spin-off in the German IP market in the past 25 years.” The firm unites decades of courtroom experience.
Main practice areas: Patent litigation, IP litigation, IP strategy, license and R&D agreements, IP-related arbitration, and more.
Industry/technology focus: Mechanical engineering; physics and general engineering; electrical engineering; electronics; information and communication technology; computer software, artificial intelligence and machine learning, automotive; optics, optoelectronics and laser technology; material science; chemistry; pharmaceutics; life sciences including biotech; medical devices and e-health.
UPC-related services: Patent enforcement; defense against infringement claims; proactive revocation claims; defense against revocation claims.
PENTARC has practiced in seven CFI divisions, and before the CoA.
SEP-related services: Advice on FRAND negotiations for SEP holders; advice on FRAND negotiations for implementers; SEP enforcement; defense against SEP infringement claims; bring revocation claims against SEPs (including EPO opposition, PTAB, etc.); bring antitrust-based FRAND claims; defense against antitrust-based FRAND claims; bring contract-based FRAND claims, defense against contract-based FRAND claims; pursuit of antisuit injunctions and interim licenses; defense against antisuit injunction and interim license motions; pursuit of anti-antisuit injunctions; defense against anti-antisuit injunction motions.
UPC achievements
Overturned important pretrial or post-judgment decisions on appeal
- Chint New Energy Technology Co., Ltd. vs. JingAo Solar Co.Ltd. (July 9, 2025 – CoA, UPC_CoA_431/2025; appeal from order by the Hamburg Local Division (ORD_19226/2025)).
- Stadapharm vs. Novartis (April 14, 2025 – CoA, UPC_CoA_150/2025; appeal from order by the Milan Central Division (UPC_CFI_698/2024)).
Successful infringement defenses (main proceedings)
- Sanofi v. Zentiva (December 12, 2025 – Munich LD):
Double jeopardy takes down Sanofi’s cabazitaxel use patent as UPC’s Munich LD revokes after EPO BoA affirmance – ip fray
Got infringement proceedings stayed
- Chint New Energy Technology Co., Ltd. vs. JingAo Solar Co.Ltd. (July 9, 2025 – CoA, UPC_CoA_431/2025; appeal from order by the Hamburg Local Division (ORD_19226/2025)).
Invalidated patents through revocation (counter)claim or EPO opposition
- Sanofi v. Zentiva (December 12, 2025 – Munich LD):
Double jeopardy takes down Sanofi’s cabazitaxel use patent as UPC’s Munich LD revokes after EPO BoA affirmance – ip fray - Chint New Energy Technology Co., Ltd. vs. JingAo Solar Co.Ltd. (November 7, 2025 – EPO Opposition Division, patent involved: EP 4 092 759 B1).
Defended patents against revocation (counter)claim or EPO opposition
- Wonderland Nurserygoods Co., Ltd. vs. Cybex GmbH et al. (May 27, 2026 – Dusseldorf LD, UPC_CFI_807/2024 and UPC_CFI_334/2025; patent involved: EP 1 905 615).
Obtained provisional measures (preliminary injunctions)
- Nanoval GmbH & Co. KG vs. ALD Vacuum Technologies GmbH (May 28, 2025 – Munich LD, UPC_CFI_63/2025; first inspection order granted by a German Local Division).
Settlements
- Transsion vs. NEC (January 12, 2026 – Mannheim Local Division, UPC_CFI_499/2025).
- Adeia v. Disney (December 22, 2025 – The Hague LD):
Disney, Adeia settle global litigation, strike media patent licensing agreement – ip fray - Chint New Energy Technology Co., Ltd. vs. JingAo Solar Co.Ltd. (April 2, 2025 – Hamburg LD, UPC_CFI_429/2024).
- Transsion vs. Huawei (Mannheim Local Division, UPC_CFI_683/2025).
- Transsion vs. Huawei (Munich Local Division, UPC_CFI_546/2025 – ongoing case).
- Transsion vs. NEC (Mannheim Local Division, UPC_CFI_501/2025).
SEP achievements
Invalidated SEPs (not UPC-related)
- Realme vs. Ox (March 12, 2025 – Federal Patent Court (4 Ni 13/23 (EP); 4 Ni 16/23 (EP)), patent involved: EP2068582).
Won technical infringement rulings over SEPs
- Realme vs. Ox (April 11, 2024 – Munich Regional Court (7 O 15318/22), patent involved: EP2068582).
Defended against SEP-based infringement allegations
- Realme vs. Ox (April 11, 2024 – Munich Regional Court (7 O 15318/22), patent involved: EP2068582).
Settlements
- Transsion vs. Huawei (Mannheim LD, UPC_CFI_683/2025)
- Transsion vs. Huawei (Munich LD, UPC_CFI_546/2025)
- Transsion vs. NEC (Mannheim LD, UPC_CFI_501/2025)
- Transsion vs. NEC (Mannheim LD, UPC_CFI_499/2025)