Phil Treeby > Maucher Jenkins > London, England > Lawyer Profile

Maucher Jenkins
7th Floor, Artillery House
11-19 Artillery Row

Work Department

Patents | IT, Software & Electronics


Chartered Patent Attorney, European Patent Attorney, Higher Courts Litigator.

Phil has notable expertise in prosecuting patent applications globally and has further experience advising clients from the US, Japan and South Korea on infringement issues. He has a strong reputation for his work in ion implanters and mobile telecommunications networks.

Other areas of expertise include conducting oppositions and appeals before the European Patent Office, including appearing at oral proceedings before the Examining Division, Opposition Divisions and Appeal Boards.


Trained at Wilson Gunn and Maucher Jenkins (then RGC Jenkins & Co.).

Phil joined Maucher Jenkins in 2001, qualified in 2004 and became partner at Maucher Jenkins in 2007.




Ormskirk Grammar School; University College London (1997 BSc Astrophysics (1st Class), EPA, 2004 CPA).


In his spare time, Phil enjoys shooting and golf.

Lawyer Rankings

London > TMT (technology, media and telecoms) > PATMA: Patent attorneys

With offices in the UK, Germany, Switzerland and China, Anglo-German firm Maucher Jenkins is well-placed to handle cross-border matters, such as filing and prosecuting patent applications, as well as carry out portfolio and freedom to operate reviews in fast moving areas of technology. The team is also able to leverage the expertise of its patent litigators in the UK and Germany when disputes arise. The practice is collectively led by the following partners, who are based across the firm’s London, Farnham, Cambridge and Edinburgh offices: James Cross leads on IT, software and electronics mandates and acts for key clients, including Sky and British Airways, while Reuben Jacob heads up the life sciences team, which includes Fiona Kellas. Hugh Dunlop is the firm’s go-to contact for telecoms and green energy technology work, while Holly Whitlock and Phil Treeby jointly lead on engineering, physics and mathematics patenting. Stuart Rowlands is also noted for his experience in the engineering sector.