Bart rejoined Shook after serving as Microsoft’s Chief Patent Counsel for more than a decade. In this role, Bart led the Patent Group in the Legal and Corporate Affairs Department, where he developed Microsoft’s patent portfolio of more than 35,000 issued patents worldwide and managed a team of more than 100 patent professionals offering patent counseling and product development support across all of Microsoft’s business and research divisions. Under Bart’s guidance, Microsoft’s high-quality patent portfolio resulted in an extremely successful IP licensing program and received top rankings in IEEE Spectrum, BusinessWeek and The Patent Board.

Bart's practice focuses on strategic IP counseling and analysis; pre-litigation and litigation strategy; complex, multilateral IP transactions and license agreements; and IP policy advocacy. Bart has worked closely with government and judicial officials, academics, and industry leaders worldwide on IP policy issues, in addition to participating in the recent passage of major U.S. patent reform legislation. 

Bart has been profiled in recent press articles on IP issues in Wired, The Verge and IAM Magazine.

Publications and Presentations

Patent reform issues are back in action again at the U.S. Supreme Court, Inside Counsel, Feb. 19, 2016.

Emerging Antitrust Regulation of Intellectual Property Licensing in Asia, IP Watchdog, Aug. 16, 2015.

Beware the IP non-assert clause in AWS cloud service agreement, warns ex-Microsoft patent chief, IAM, July 12, 2015.

Litigation abuse driving negative sentiment around patents, IP Watchdog, Mar. 5, 2015.

America Must be the Leader in Patenting Innovations, Including Software, IP Watchdog, Mar. 2, 2015.

DDR Holdings – Federal Circuit Forges a Sensible Path on Software Patents, PatentlyO, Dec. 14, 2014.

Software patent owners have nothing to fear from the CAFC's Ultramercial decision, says Microsoft's former chief patent counsel, IAM, Nov. 21, 2014.

They Tried to Make Me Go to PTAB..., Managing Intellectual Property, Oct. 10, 2014.

The US has not come close to abandoning software patents, former Microsoft chief patent counsel tells IAM, IAM, Oct. 3, 2014.

Panel Discussion of the Supreme Court Decision in Alice v. CLS Bank, Washington State Patent Law Association, Sep. 17, 2014.

Are Digital Transmissions an "Article" Under Section 337? Looking Ahead to the Federal Circuit, Intellectual Property Owners Association Webinar, May 8, 2014.

Understanding the Patent License, Washington State Bar Association Intellectual Property's IP Advanced Licensing: State of the Art CLE (Seattle, Wash.), Feb. 4, 2014.

Bart Eppenauer, First-Inventor-To-File: Considerations From An In-House Patent Counsel Perspective, AIPLA, May 2013.