Derek Gilliland

Derek Gilliland

Areas of Concentration

Derek Gilliland oversees the firm’s intellectual property litigation, which primarily operates out of the firm's Dallas office.  Mr. Gilliland has been an instrumental member of the trial teams for the firm to biggest intellectual property verdicts. 

In 2010, he was a key member of the trial team for DataTreasury in its trial against US Bank, which resulted in a $27,000,000 that was enhanced to $54,000,000 for willfulness.

In 2013, Mr. Gilliland was the lead trial lawyer for the team that obtained a $95,795,507 verdict for Syntrix against Illumina in federal court in Tacoma, Washington.  This verdict is the largest patent infringement verdict in the State of Washington.  Mr. Gilliland and the Nix, Patterson & Roach team were assisted at trial by lawyers with Bracewell & Giuliani.

Mr. Gilliland has carried his skills beyond the trial courts by successfully arguing before the Texas Supreme Court, and by being a frequent seminar speaker for the Texas State Bar, AIPLA, and other professional organiziations.



Texas A&M University (B.S.M.E. 1993), magna cum laude
Baylor University School of Law (J.D. 1998), magna cum laude

Professional Activities and Memberships

State Bar of Texas
State Bar of Texas Intellectual Property Section, Unfair Competition Committee

American Intellectual Property Law Association

Licensing Executives Society

Association for University Technology Managers

Texas Trial Lawyers Association

American Board of Trial Advocates

Professional Honors

"Super Lawyer," Texas Monthly and Texas Super Lawyers (2012, 2013, 2014, 2015, 2016, 2017)

"Rising Star," Texas Monthly and Texas Super Lawyers (2005, 2006, 2008, 2009, 2010, 2011)

Bar Admissions


United States District Courts for the Eastern, Western, and Northern Districts of Texas

United States District Court for the Eastern Districts of Michigan

The United States Court of Appeals for the Federal Circuit

United States Patent & Trademark Office

Key Cases

Lead trial lawyer for Syntrix Biosystems Inc. v. Illumina Inc., No. 3:10-cv-05870-BHS (W.D. Wash. March 14, 2013)


Member of the trial team for DataTreasury Corp. v. U.S. Bank N.A., No. 2:06-cv-72-DF (E.D. Tex. March 26, 2010)


Successful represented Donald Linnstaedter and Kenneth Bolen before the Texas Supreme Court in Daughters Of Charity Health Services Of Waco v. Linnstaedter 226 S.W.3d 409 (Tex. 2007)




Of Counsel