How I can help your business

• Represent you in UPC litigation and related European patent disputes
• Guide you through EPO oppositions and appeals, including complex multi-jurisdictional matters
• Advise on design protection strategies and enforcement to complement your patent portfolio

Overview & Expertise

Greg Carty-Hornsby is a Partner based in the Manchester office and a Chartered Patent Attorney (UK), European Patent Attorney, and UPC Representative. He joined Marks & Clerk in 2014.

Greg’s practice centres on mechanical technologies, with experience across sectors including medical technology, automotive, manufacturing, food and beverage production, and printing.

He has a strong focus on contentious matters, regularly acting in oppositions and appeals before the European Patent Office, often alongside parallel litigation. Greg has also appeared before the Unified Patent Court at both first instance and appeal level. His experience in these forums enables him to support clients through complex disputes, including issues of infringement and validity, and to provide clear, strategic direction in multi-jurisdictional cases.

In addition to his contentious work, Greg drafts and prosecutes patent applications in the UK and Europe and coordinates international prosecution strategies, providing clients with consistent and practical guidance across jurisdictions.

In addition to his patent practice, Greg specialises in industrial designs. He advises on design filing strategies and the use of design rights to complement patent protection, and provides guidance on infringement and validity of both registered and unregistered designs. He holds a first class MEng in Mechanical Engineering from the University of Birmingham, where his research focused on fluid mechanics of blood flow, and has prior industry experience in medical technology.

Client Work & Case Experience

UPC Cases:

•  Meril Life Sciences et al. v. Edwards Lifesciences Corporation - EP 3,646,825
• Meril Life Sciences et al. v. Edwards Lifesciences Corporation - EP 3,768,722
• Meril Life Sciences et al. v. Edwards Lifesciences Corporation - EP 4,151,181

EPO Oppositions and Appeal Cases:

•  Meril Life Sciences v. Edwards Lifesciences Corporation - EP 4,151,181
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 4,233,795
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 3,494,928
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 3,498,225
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 3,498,226
• J.A. Kemp v. Edwards Lifesciences Corporation - EP 3,768,722
• J.A. Kemp v. Edwards Lifesciences Corporation - EP 3,763,333
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 3,494,929
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 3,590,471
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 4,223,257
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 4.233,799
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 4,056,150
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 4,108,210
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 3,494,930
• Meril Life Sciences v. Edwards Lifesciences Corporation - EP 2,628,464