8110 Gatehouse Road
Suite 100 East
Falls Church, VA 22042-1248 USA

Telephone: +1-703-205-8000

About BSKB

Protecting the Product of Your Mind®

Learn More »

News Spotlight

Genzyme Therapeutic Products v. BioMarin Pharmaceutical

CAFC Affirms PTAB Decision Invalidating Claims in Two BioPharma Patents.

Learn More »

Practice Area Spotlight

Post-Grant Review

BSKB's post grant practice leverages strategic insight of the latest patent law trends, comprehensive understanding of technical issues and in-depth knowledge of USPTO proceedings to strengthen patents, challenge patentability, and successfully license and enforce patent rights on behalf of our clients.

Learn More »

Resources Spotlight


BSKB’s attorneys share their knowledge on recent cases and other timely intellectual property topics through our video series.

Learn More »

Practice Area Spotlight

Patent Prosecution

We've been steering patent applications in the right direction since 1976. Our attorneys have substantial experience in preparing and prosecuting patent applications, as well as providing validity and infringement opinions, portfolio management and client counseling.

Learn More »



A Wealth of Intellectual Property Law Experience with the Personal Attention You Deserve

Since 1976, the law firm of Birch Stewart Kolasch Birch LLP (BSKB), has helped innovators define, perfect and protect their intellectual property. Our skilled intellectual property (IP) lawyers, highly trained engineers and scientists work together to support our clients in everything IP — from patent laws, trademark laws and copyright law needs to dispute resolution and litigation.

Post Grant Proceedings

BSKB is pleased to offer a separate website on post-grant patent review practice, postgrantproceedings.com. Here you will find up-to-date information about post grant issues and recent cases. Additionally, an overview on the various post grant patent proceedings can be found here.
Visit BSKB's Post Grant Proceedings web site »