Overview

Cathy is a skilled appellate counsel, with extensive experience at both the state and federal level. A significant part of her practice entails filing and responding to mandamus petitions. She has fully briefed cases on the merits in various types of complex commercial cases for both the plaintiff and defendant. She regularly provides appellate assistance in the trial court, including high-quality legal research and brief writing, drafting jury charges and handling jury charge conferences, drafting post-verdict and post-judgment motions, and preparing case dispositive motions and pleadings. Cathy is certified by the Texas Board of Legal Specialization in Civil Appellate Law, has served as a past Chair of the Houston Bar Association Appellate Practice Section, and previously served as a research attorney on the Houston First Court of Appeals.

Experience

  • (Tex.) – In the Texas First Court of Appeals, obtained affirmance of a $20.4 million (net) jury verdict for the owner of a 600+ acre residential development in a partial takings case involving the construction of the Grand Parkway toll road in Harris County, Texas; the Texas Supreme Court denied opponent’s request to reverse the verdict; this is believed to be the largest jury verdict for a property owner in a condemnation case ever in the state of Texas (The Texas Lawbook, February 7, 2018)

  • (Tex.) – Obtained reversal of lower appeals court decision and reinstatement of $1.065 million (net) trial court judgment in favor of small business owners in suit challenging lower court’s evidentiary rulings in condemnation case; this case is now cited at eminent domain conferences as one of the most important decisions affecting Texas condemnation cases

  • (Tex. App.–Houston [1st]); (Tex. App. – Houston [14th]) – Obtained affirmance of dismissal on behalf of a religious organization in two unrelated cases involving claims barred by the ecclesiastical doctrine

  • (Tex. App. – 14th – Houston) — Obtained affirmance of $13.1 million (net) judgment in favor of a commercial developer after the State condemned a significant portion of the commercial reserves of a master planned residential development in Harris County, Texas for construction of the Grand Parkway toll road 

  • (Tex.) — Obtained mandamus relief for a tire manufacturer who was ordered to disclose its trade secret skim stock formula in a case analyzing for the first time the requesting party’s burden to establish that the trade secret information was necessary for a fair adjudication of its claims

  • (Tex.) — In a case involving geological and seismic data trade secrets, obtained mandamus relief from the Texas Supreme Court that an employee’s mere access to trade secret documents at his place of employment does not constitute possession, custody, or control of those documents for purposes of discovery

  • (Tex.) — Obtained a reversal of the court of appeals’ reversal of a summary judgment in a plurality opinion in favor of the defendant mortgage company in this premises liability case involving landowner liability for criminal acts of a third party

  • (Tex.) — Obtained mandamus relief on behalf of a defendant pipeline company who had not been allowed to pursue discovery as to non-trial group plaintiffs, and who had been ordered to prepare an inventory of documents

  • (5th Cir.) — Obtained affirmance of a dismissal for lack of subject-matter jurisdiction on behalf of utility entities in a case of first impression involving citizen suit jurisdiction under the Clean Air Act

  • (Tex. App. – 14th – Houston) — Obtained judgment in favor of a port authority in a trespass to try title action involving novel issues relating to ownership of submerged lands and surveying of properties

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Credentials

Education

  • South Texas College of Law, J.D. cum laude, 1985
  • University of Houston, B.A., English magna cum laude, 1981

Admissions

  • Texas
  • United States Supreme Court
  • Fifth Circuit Court of Appeals
  • Southern District of Texas

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Recognitions

  • The Best Lawyers in America® (BL Rankings, LLC), Appellate Practice (Houston), 2022–2027
  • Selected to the Texas Super Lawyers list, Super Lawyers (Thomson Reuters), 2008–2025
News & Achievements

Awards & Rankings

Vinson & Elkins Earns 305 Rankings in The Best Lawyers in America 2026, Including Five “Lawyer of the Year” Recognitions

The Best Lawyers in America (BL Rankings, LLC) has named 125 Vinson & Elkins lawyers in its “Best Lawyers” category in the 2026 edition. Additionally, 76 Vinson & Elkins attorneys have been named in the “Ones to Watch” category, which recognizes lawyers with 5–10 years’ experience. Some individuals are listed in more than one practice area, giving the firm a total of 305 rankings.

August 21, 2025

August 21, 2025 • 3-minute read

Awards & Rankings

Super Lawyers (Thomson Reuters) Names 34 Vinson & Elkins Attorneys to 2024 Texas Super Lawyers List; 16 to Rising Stars

Super Lawyers (Thomson Reuters) Names 34 Vinson & Elkins Attorneys to 2024 Texas Super Lawyers List; 16 to Rising Stars

September 19, 2024

September 19, 2024 • 1-minute read

Super Lawyers 2024 - Texas

Deals & Cases

Vinson & Elkins Wins Complete Take Nothing Defense Verdict for Aera Energy Following Two-Month Trial

On Dec. 11, a Vinson & Elkins trial team received a full defense jury verdict in favor of our client, Aera Energy LLC. Vaquero Partners and Madison Energy sued Aera regarding the parties’ collective ownership of the working interest rights of an oil and gas property located in California (the “Lease”).

December 11, 2023

December 11, 2023 • 1-minute read

Awards & Rankings

Super Lawyers (Thomson Reuters) Names 37 Vinson & Elkins Attorneys to 2023 Texas Super Lawyers List

Super Lawyers has named 37 Vinson & Elkins lawyers across a range of the firm’s practice areas to the 2023 Texas Super Lawyers list.

September 18, 2023

September 18, 2023 • 1-minute read

Awards & Rankings

Vinson & Elkins Earns 308 Rankings in The Best Lawyers in America (BL Rankings, LLC) 2024, Including 6 “Lawyer of the Year” Recognitions

The Best Lawyers in America has named 124 Vinson & Elkins lawyers in its “Best Lawyers” category in the 2024 edition. Additionally, 87 Vinson & Elkins attorneys have been named in the Ones to Watch category, which recognizes lawyers with 5-10 years’ experience. Some individuals are listed in more than one practice area, giving the firm a total of 308 rankings.

August 21, 2023

August 21, 2023 • 2-minute read

Vinson & Elkins Earns 308 Rankings in The Best Lawyers in America (BL Rankings, LLC) 2024, Including 6 “Lawyer of the Year” Recognitions