Maucher Jenkins has built a team of outstanding professionals, recognised experts in intellectual property law, science and technology, working across multiple industry sectors and legal jurisdictions.
Partner - Patents | Litigation
Chartered Patent Attorney
European Patent Attorney
Higher Courts Litigator
BA, Physics, Oxford
James has been recognised as a leading patent attorney for the past 11 years by Chambers and Partners, and as a Patent Star for the past 7 years by Managing IP.
James is a recommended lawyer in the Legal 500 2024 UK publication.
According to one client 'He is one of the cleverest patent attorneys I have ever had the pleasure of working with, and is a real team player'. Another client describes James as 'an outstanding individual, able to understand quite complex technical matters very quickly and propose a range of options to solve a problem.' Further, clients have commented: 'James Cross is clear thinking and knowledgeable, but equally important is an excellent communicator. He summarises complex issues and patiently explains matters so we can take decisions and find solutions.‘
"James Cross has always provided advice whenever needed. We are very grateful to have him on our team.'"-James Cross’ client to Chambers UK and Partners 2024
“James Cross completely understands what patents his clients are trying to achieve, and he has excellent suggestions and references where needed.” - Legal 500 2024
James advises blue chip clients on worldwide patent protection, portfolio management and enforcement, as well as freedom to operate. His technical expertise includes mobile and contactless payment systems, wireless chipsets, mobile satellite and terrestrial cellular communications, satellite broadcast receivers and personal video recorders, biometric scanners, green tech, automotive and aircraft engineering, domestic appliances and thermostatic controls.
James has been a partner of Maucher Jenkins for 25 years and currently manages the IT department, having introduced an entirely paperless document management system in 2009.
‘The benefits of the EPO-CNIPA PCT deal’, Managing Intellectual Property IP STARS, December 2019.
'Innovation Capture - Identifying and Protecting IP', Financier Worldwide, January 2018.
'Roundtable - Resolving Patent Disputes', Financier Worldwide, October 2017.
Epoch Company Ltd v Character Options Ltd  EWHC 556 (IPEC) - clarified the exclusion of aesthetic creations under UK patent law.
Outside work, James is a keen cook and occasional sailor. He also enjoys rugby (as a spectator).