Mary Byars

Mary represents both plaintiffs and defendants in a wide variety of complex commercial litigation, with an emphasis on oil and gas matters, pharmaceutical defense, and general business disputes.  Mary has also assisted with the representation of clients in front of the Railroad Commission.   

Mary received her law degree from Harvard Law School, cum laude, in 2015 and received her undergraduate degree from Smith College, summa cum laude, in 2010.  Mary joined the firm as an associate after graduating from law school.  

Bar Admissions & Activities

Admitted to the State Bar of Texas and to the U.S. District Courts for the Western and Northern Districts of Texas

Austin Bar Association

Austin Young Lawyers Association


Harvard Law School, J.D., cum laude, 2015

Smith College, B.A., summa cum laude, 2010

Representative Matters

Obtained summary judgment in favor of an oil and gas company based on the interpretation of a contested mineral deed.

Successfully settled dispute regarding the valuation of shares of client company’s stock.

Assisted oil and gas client in having certain land owners declared unavailable by the General Land Office so the land could be put up for auction.

Advised startup company on legal ethics issues.

Represented hearing impaired clients in appeal to the U.S. Supreme Court from Fifth Circuit’s dismissal of ADA claims against state agency.

Represented juvenile client in appeal to the First Court of Appeals at Houston in connection with immigration classification matter.

Articles & Presentations

The Common Interest Doctrine (or Lack Thereof) in Texas
, Texas Bar CLE Webcast, December 2016 (co-author with David Shank)