Clifford Chance

Attorneys-at-law 

19 UPC Representatives · 38 SEP Litigators

 United Kingdom · Germany · Spain · France · Italy · Poland · China · Hong Kong · United States

Firm Website

Short self-description

Clifford Chance is a global law firm with a strong presence across Europe, Asia, the Americas, and the Middle East. Its IP team advises on multi-jurisdictional disputes, licensing, and portfolio strategy, often in collaboration with other practice areas and local counsel.

Main practice areas: IP law, patent litigation, 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, blockchain and web3; virtual and augmented reality; automotive; aerospace; green tech and sustainable technologies; optics, optoelectronics and laser technology; 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; bring and pursue notice of opposition in EPO; defense in EPO opposition proceedings; unitary patent appeals from EPO; opt-outs and withdrawals.

Clifford Chance 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.); SEP prosecution and defense against revocation claims targeting SEPs; 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.

Rankings and awards

Managing IP EMEA Awards 2025:

  • Europe Cross-Border Patent Litigation Team of the Year – Xiaomi and Oppo v. Panasonic;
  • Europe Cross-Border Patent Litigation Team of the Year – Bayer (Xarelto);
  • Spain Patent Disputes Firm of the Year;
  • Miquel Montañá – Spain Practitioner of the Year (Law Firms).

Managing IP EMEA Awards 2024: Europe – Impact Case of the Year 2024, Huawei v. Netgear.

Legal 500:

  • Spain: Band 1 – IP Patents; Miquel Montañá: Hall of Fame (Patents); Josep Montefusco: Leading Partner (Patents);
  • Germany : Band 4 – Patent litigation;
  • France: David Por – Leading Partners (Patents) and Cyril Riffaud – Leading Associate (Patents);
  • United Kingdom: Don McCombie: Next Generation Partner (IP);
  • Hong Kong: Band 3 – Intellectual Property.

Chambers:

  • Spain: Band 1 Life sciences patent litigation; Miquel Montañá: Star individual (Intellectual Property: Patents and Life Sciences: Patent Litigation); Josep Montefusco: Band 3 (Intellectual Property: Patents, Life Sciences: Patent Litigation and Intellectual Property);
  • France: Band 2 – David Por (Patent);
  • Asia-Pacific: Band 3 – Intellectual Property;
  • Greater China Region: Band 3 – Ling Ho (Intellectual Property);
  • United Kingdom: Band 4 – Vanessa Marsland (Intellectual Property).

IAM Patent 1000 – 2025:

  • Spain: Gold – Firms, litigation – recommended individuals: Ana Benetó; Laura Cachón; Fernando Cerdá; Adrián Crespo; Miquel Montaña; Josep Montefusco;
  • Germany: Silver – Firms: infringement – recommended individuals: Tobias Hessel, Nicolas Hohn-Hein, Claudia Milbradt, Thomas Misgaiski, Stefan Richter;
  • France – Recommended individuals: David Por;
  • United Kingdom – Recommended individuals: Don McCombie;
  • United States (New York) – Recommended individuals: Violetta Kokolus.

Juve – Germany & UPC, Tier 3 – Recommended individuals: Tobias Hessel and Stefan Richter.

UPC achievements

Successful infringement assertions (main proceedings)

Got infringement proceedings stayed

Invalidated patents through revocation (counter)claim or EPO opposition

Defended patents against revocation (counter)claim or EPO opposition

Obtained provisional measures (preliminary injunctions)

Settlements

SEP achievements

Won permanent SEP injunctions

Won antisuit/anti-antisuit injunctions

Invalidated SEPs (not UPC-related)

Defended SEPs against invalidity contentions (not UPC-related)

Defended against SEP-based infringement allegations

  • Atlas Global Technologies v. TP-Link (Munich Regional Court I, 7 O 4823/23 – patent declared invalid).

Settlements prior to decisions

  • Huawei v. AVM (Munich Regional Court I – 21 O 5097/23, EP’ 749);
  • Huawei v. AVM (Munich Regional Court I – 21 O 9227/23, EP ‘445);
  • Huawei v. AVM (Munich Regional Court I – 7 O 2218/24, EP ‘112);
  • Huawei v. AVM (Munich Regional Court I – 7 O 2991/24, EP’112);
  • Huawei v. Netgear (Düsseldorf Regional Court – 4c O 8/22, EP ‘077);
  • Huawei v. Netgear (Munich Regional Court I – 21 O 5901/24, EP ‘445);
  • Huawei v. Netgear (Munich Regional Court I – 7 O 4995, EP ‘112).