SGH Martineau LLP

William Barker

Managing Partner


  • 0800 763 1632

SGH Martineau is a top 70 UK law firm, delivering the full range of commercial legal services from offices in Birmingham and London.

Bill became a partner at Martineau in 1992 and was appointed as the firm’s youngest ever senior partner in 2001, before becoming managing partner in 2004. He is also a former Chairman of Multilaw, an independent network of law firms in 150 commercial centres throughout the world.

His specialist area of expertise is intellectual property, and he has been involved in many law making litigation cases. Core practice areas include patents, designs, copyright, trade marks and confidential information. Bill has particular expertise in the field of anti-counterfeiting, and has acted for clients both nationally and internationally.

Bill is ideally placed to comment on the issues affecting a large commercial law firm, particularly alternative business structures (ABS), which can enter the legal services marketplace in England and Wales on 6th October 2011.

Both Chambers and Partners and the Legal 500 recognise Bill as one of the leading intellectual property lawyers in the Midlands.

Bill was the lead lawyer in high profile cases:

Ultraframe (UK) Ltd v Eurocell Building Plastics Ltd Court (Ch D) Chancery Division Judgment August 26, 2005 Reported [2005] EWHC 2111
Ultraframe (UK) Ltd v Eurocell Building Plastics Ltd Court (CA (Civ Div)) Court of Appeal (Civil Division) Judgment June 24, 2005 Reported [2005] EWCA Civ 761
Spark-Tec Limited -v- Sarclad International Limited [1991] IPD 14067
Carflow Products (UK) Ltd v. Linwood Securities (Birmingham) Ltd and Others [1996] FSR 424
Carflow Products (UK) Ltd v. Linwood Securities (Birmingham) Ltd and Others (Inquiry as to Damages) FSR 1998 page 691

Bill is a member of the Anti-Counterfeiting Group and has written numerous articles on patents, trademarks, copyright and designs. He has presented at major conferences in Birmingham, Singapore, Sydney, Seattle, Munich, Vienna, Lisbon and Cincinnati.