A broad range of services


About BLG

Beyer Law Group LLP (BLG) is a Silicon Valley based intellectual property law firm specializing in patent preparation, prosecution, advice and counseling. BLG is headquartered in Palo Alto, California, with a smaller office located in Minneapolis, Minnesota.

The firm was founded over two decades ago by a small group of attorneys with the goal of providing the highest quality services to clients in a collegial work environment that allows its members the flexibility to pursue a variety of professional and personal interests. The firm currently includes over a dozen practitioners, and is proud to count among its clients numerous Fortune 500 companies, as well as some of the most innovative inventors in Silicon Valley and the world.

Our People are skilled in the drafting and prosecution of patent and trademark applications, the preparation of expert opinions concerning both the infringement and validity of U.S. patents, and in conducting intellectual property audits and due diligence reviews. BLG also handles negotiations and the drafting of technology related agreements in the areas of licensing, trade secrets, and technology sales. BLG is available to serve as patent co-counsel in litigation matters, and also has experience in the growing patent sale marketplace. Read More

Divide And Prosper? Trends In Divided IP Infringement 

Law360, New York (December 1, 2010) -- Recent changes in the doctrine of divided paten infringement have important ramifications in patent valuation, claim drafting, licensing, patent litigation and preparing patent opinions. The doctrine of divided patent infringement comes into play if no single party practices each element of a claim .> Read More

Patent Validity Opinions In Light of Bilski, Ultramercial

Law360, New York (September 22, 2010) -- Clients sometimes hire patent attorneys to prepare an opinion letter about whether a patent owned by another party is valid or invalid. The situation often comes up when a third party is attempting to license a patent across an industry and the client wants to avoid infringing a valid, enforceable patent. However, it can also arise as part of a freedom-to-operate analysis before launching a new business venture. > Read More


Searching is an area of the patent practice that doesn’t generally get a lot of attention in educational seminars. On the other hand, the search is the foundation for a significant segment of the opinions that we do. Certainly it is the foundation for any clearance or validity type opinion. Without good art, an invalidity opinion is typically pretty tough to write. Without a good search, a clearance or patentability opinion probably doesn’t mean much. > Read More

 Vanderbilt V. ICOS And Proving Joint Inventorship

Law360, New York (June 23, 2010) -- On April 7, 2010, the U.S. Court of Appeals for the Federal Circuit in Vanderbilt Univ. v. ICOS Corp., 601 F.3d 1297 (Fed. Cir. 2010), clarified the legal standards for determining joint lnventorship when a patentee allegedly uses information from a third party as the basis to derive an invention. > Read More