David P. Blanke - Ewell, Brown, Blanke & Knight LLP

David P. Blanke

Listed in Best Lawyers since 2009

David represents both plaintiffs and defendants in complex business and technology litigation involving a wide variety of statutory, contract, and tort claims. His practice also includes an emphasis on defending insurers, particularly in class actions, as well as representing municipalities and other subdivisions of the State of Texas in disputes over public projects. Board certified in civil trial law by the Texas Board of Legal Specialization, David has tried more than 25 cases throughout Texas, in both the state and federal courts.

University of Michigan Law SchoolJ.D. 1984University of IllinoisBS 1981
American Bar AssociationTravis County Bar AssociationAmerican Heart AssociationTexas Bar AssociationAustin Bar FoundationDallas Bar Foundation

Case History

Obtaining a judgment during trial as to a $96 million antitrust claim against two professional associations — Obtaining a judgment as a matter of law during trial as to a $96 million antitrust claim against two professional associations, after having obtained summary dismissal of business tort claims prior to trial, Viazis v. American Association of Orthodontists, 182 F. Supp. 2d 552 (E.D. Tex. 2001), aff’d, 314 F.3d 758 (5th Cir. 2002), cert. denied, 123 S. Ct. 2078 (2003)
Dismissal of a $14 million claim against Big Four accounting firm — In professional liability matters, successfully obtained the dismissal of a $14 million claim against Big Four accounting firm by lenders to, and investors in, a bankrupt lessor of amusements equipment, represented witnesses in government investigations, and represented Big Four accounting firm and law firm in tax shelter litigation
Securing a $46 million settlement for Dow Chemical in patent litigation — Securing a $46 million settlement for Dow Chemical in patent litigation regarding the epoxy resins used to encapsulate sophisticated electronic devices, Dow Chemical Co. v. Sumitomo Chemical Co., 257 F.3d 1364 (Fed. Cir. 2001)
Securing judgments dismissing federal court and state court challenges to one of the largest recent water projects in Texas — Securing judgments dismissing federal court and state court challenges to one of the largest recent water projects in Texas, Friends of Canyon Lake v. Brownlee, No. SA-03-0993-RF, 2004 U.S. Dist. LEXIS 21838 (W.D. Tex. Sept. 20, 2004); Friends of Canyon Lake v. Guadalupe-Blanco River Authority, 96 S.W.3d 519 (Tex. App. – Austin 2002, pet. denied) and litigating a variety of other water rights and related issues, see e.g. Canyon Regional Water Authority v. Guadalupe-Blanco River Authority, 258 S.W.3d 613 (2008); Tex. Comm'n on Envtl. Quality v. San Marcos River Found., 267 S.W.3d 356 (Tex. App. - Corpus Christi 2008, pet. denied); Bexar Metro, Water Dist. v. City of Bulverde, 234 S.W.3d (Tex. App. - Austin 2007, pet. denied)
Obtaining a preliminary injunction precluding the use of a geophysical service company’s trademarks — Obtaining a preliminary injunction precluding the use of a geophysical service company’s trademarks and palming off its trademarked services in connection with an exploration project sponsored by Mexico’s national oil company, Petroleos Mexicanos (Pemex) in the Gulf of Mexico.  Paulsson Geophysical Services, Inc. v. Axel M. Sigmar, et al., 529 F.3d 303 (5th Cir. 2008) and subsequently securing dismissal with prejudice of tortuous interference and unfair competition claims alleging over $600 million in damages

Office Location

111 Congress Avenue, Suite 2800
Austin, TX 78701
United States


Lawyer of the Year Awards

2016 Lawyer of the Year in Environmental Law of the Austin Metro Area2014 Lawyer of the Year in Environmental Law of the Austin Metro Area
David P. Blanke has earned a Lawyer of the Year award for 2016!David P. Blanke has earned a Lawyer of the Year award for 2014!

Practice Areas

Commercial Litigation
Environmental Law (Litigation)
Water Law