Partner
Clare Cornell leads Finnegan’s London trade mark group and has 25 years’ experience in the IP industry. Her practice focuses on all aspects of trade mark portfolio management. Clare also specialises in trade mark enforcement and seeking settlement of complex IP disputes.
Clare is a both a Chartered and European trade mark and patent attorney having qualified to practice in the UK and in Europe in both disciplines. Skilled in coordinating national and international trade mark filing strategies, Clare serves an international client base, including through the UK Intellectual Property Office and the World Intellectual Property Organization’s (WIPO) Madrid International trade mark registration system. She has particular experience working with attorneys in China on the opposition and cancellation of bad faith trade mark applications and registrations.
Clare assists large multinational businesses in the management of their IP portfolios, working with in-house decision makers to ensure the smooth day to day running of their registration and enforcement matters and keeping portfolios up-to-date. Working closely with businesses in this manner provides her with valuable insight into the needs of a busy in-house IP team.
Recognized as an “IP Star” and “Trade Mark Star” in the United Kingdom by Managing Intellectual Property (MIP) and for her contributions to the fields of prosecution and strategy by World Trademark Review (WTR), Clare provides a broad range of advice in high-level IP due diligence programs, advising on all aspects of IP as well as the preparation of agreements for the transfer of IP portfolios. She has assisted in multi-million dollar IP due diligence projects during both the acquisition and divestiture of businesses, as well as coordinated multi-jurisdictional post-acquisition IP assignment programs, and provided IP auditing services to clients who have acquired large IP portfolios, including portfolios having in excess of 1,000 rights.
Before joining Finnegan, Clare was a partner in a UK law firm of patent and trade mark attorneys. Her technical experience includes advising clients in the construction, chemical, clothing, alcoholic beverage, packaging, and nutraceutical industries.
Conference
WTR Live: Brand Strategy Summit Europe 2026 WTR Live: Brand Strategy Summit Europe 2026
March 4-5, 2025
London
Webinar
Distinctive by Design: Filing and Protecting Non-Traditional Marks (NTMS) Distinctive by Design: Filing and Protecting Non-Traditional Marks (NTMS)
December 9, 2025
Webinar
Conference
Asian Patent Attorneys Association Kuala Lumpur 2025 Conference Asian Patent Attorneys Association Kuala Lumpur 2025 Conference
November 6-10, 2025
Kuala Lumpur
European IP Blog
Edwards v. Boohoo: Weaving Through the Challenges of Unregistered Design Claims in Fast Fashion Edwards v. Boohoo: Weaving Through the Challenges of Unregistered Design Claims in Fast Fashion
15 July 2025
Articles
Fashion IP Lessons from UK Design Rights Ruling Fashion IP Lessons from UK Design Rights Ruling
July 14, 2025
Law360"Leading Finnegan’s London trademark group, Clare Cornell is 'a fantastic lawyer who delivers first-class service, thanks to her deep understanding of client needs. She is a constant source of support who is always on hand to help with any issues that may arise, and makes the prosecution process as smooth as possible.'"
World Trademark Review WTR 1000
“Trademark attorney Clare Cornell is a portfolio strategist and enforcement maven with a special knack for working with Chinese practitioners on the opposition and cancellation of bad-faith trademark registrations. She leads Finnegan’s London trademark group.”
World Trademark Review WTR 1000
“Finnegan’s UK trademark star is Clare Cornell, who specialises in portfolio management, enforcement and dispute resolution.”
World Trademark Review WTR 1000
“Clare Cornell is U.S. giant Finnegan’s leading trademark presence in London – many large multinationals have her on speed-dial for their trickiest portfolios.”
World Trademark Review WTR 1000
"Leading Finnegan’s London trademark group, Clare Cornell is 'a fantastic lawyer who delivers first-class service, thanks to her deep understanding of client needs. She is a constant source of support who is always on hand to help with any issues that may arise, and makes the prosecution process as smooth as possible.'"
World Trademark Review WTR 1000
“Trademark attorney Clare Cornell is a portfolio strategist and enforcement maven with a special knack for working with Chinese practitioners on the opposition and cancellation of bad-faith trademark registrations. She leads Finnegan’s London trademark group.”
World Trademark Review WTR 1000
“Finnegan’s UK trademark star is Clare Cornell, who specialises in portfolio management, enforcement and dispute resolution.”
World Trademark Review WTR 1000
“Clare Cornell is U.S. giant Finnegan’s leading trademark presence in London – many large multinationals have her on speed-dial for their trickiest portfolios.”
World Trademark Review WTR 1000
Press Release
Finnegan Enhances Its German and European IP Practice with Björn Kalbfus Finnegan Enhances Its German and European IP Practice with Björn Kalbfus
April 30, 2026
Award/Ranking
In the 2026 World Trademark Review 1000, Finnegan Called “The Best of the Best” In the 2026 World Trademark Review 1000, Finnegan Called “The Best of the Best”
February 2, 2026
World Trademark ReviewAward/Ranking
Finnegan Remains a Top Tier Firm in the 2025 Managing Intellectual Property IP Stars Rankings Finnegan Remains a Top Tier Firm in the 2025 Managing Intellectual Property IP Stars Rankings
May 30, 2025
Managing Intellectual PropertyCommentary
EU Design Law Reforms Take Effect EU Design Law Reforms Take Effect
May 1, 2025
World Trademark ReviewAward/Ranking
Finnegan Receives Top Tier National Rankings in the 2025 World Trademark Review 1000 Finnegan Receives Top Tier National Rankings in the 2025 World Trademark Review 1000
January 29, 2025
World Trademark ReviewAnnouncement
Finnegan Announces 2024 Mentors of the Year Finnegan Announces 2024 Mentors of the Year
December 31, 2024
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