Biography
Patrick R. Cowlishaw serves as advisor and advocate in complex litigation and regulatory matters, most often to clients in the electric power, solid waste management, and telecommunications industries. Pat leads the firm’s electric power regulatory practice, recognized as leaders in Texas since Chambers began reporting that category in 2011. In contested proceedings before the Public Utility Commission of Texas (PUCT), in the stakeholder process at the Electric Reliability Council of Texas (ERCOT), and in state and federal courts in and around Texas, Pat offers deep experience helping clients make sound strategic judgments and build compelling presentations in fast-changing regulatory and industry environments. In controversies that often require navigating complicated technical, financial, and public policy arguments, as well as legal issues, Pat is able to keep the focus on his clients’ business objectives, with a record of resulting success.
Additional Languages
German
Education
A.B., with distinction, Stanford University
- Phi Beta Kappa
J.D., Stanford University Law School
- Order of the Coif
Bar Admissions
Texas
Court Admissions
United States Supreme Court
United States Court of Appeals for the Second, Fifth and Eleventh Circuits
United States District Court for the Northern, Southern, Eastern and Western Districts of Texas
United States District Court for the Southern, Eastern and Western Districts of New York
- Chambers USA: America’s Leading Lawyers for Business, 2011-2020
- Ranked for Energy: State Regulatory and Litigation (Electricity) – Texas
- The Best Lawyers in America (Woodward/White Inc.)
- Environmental Law, 2006-2011
- Environmental Litigation, 2012-2021
- Super Lawyer, Thomson Reuters, 2013-2017
- Who’s Who in Energy, Dallas Business Journal, 2013
- Public Service Recognized, Texas PUC, 2000
- AV Preeminent, Martindale-Hubbell
- North Dallas Chamber of Commerce
- Board of Directors, 2006-14, ex officio, 2015-Present
- Board Chairman, 2013
- YMCA of Metropolitan Dallas, Board of Directors, 2016
- Lake Highlands YMCA
- Board of Directors, 2001-2010
- Board President, 2009-2010

August 20, 2020
Attorney News‘The Best Lawyers in America’ Honors 164 Jackson Walker Attorneys in 2021 Edition, Including 9 “Lawyers of the Year” and 25 “Ones to Watch”
Jackson Walker congratulates the 164 attorneys who were selected by their peers as Best Lawyers, including 9 Lawyers of the Year and 25 Ones to Watch, across 6 offices and 66 specialty practice areas.
April 23, 2020
SpotlightChambers and Partners Recognizes Jackson Walker Attorneys and Practices in 2020 USA and Global Guides
Jackson Walker is pleased to announce that Chambers and Partners has selected 30 attorneys and nine practice areas for inclusion in the 2020 edition of the Global and USA guides.
August 14, 2019
Attorney News‘The Best Lawyers in America’ Honors 109 Jackson Walker Attorneys in 2020 Edition, With Eight Named “Lawyers of the Year”
Jackson Walker congratulates our 109 attorneys named to U.S. News & World Report’s Best Lawyers in America 2020 list, including eight attorneys who were named “Lawyers of the Year.”
April 29, 2019
SpotlightChambers and Partners Recognizes Jackson Walker Attorneys and Practices Among 2019 USA and Global Guides
Jackson Walker is pleased to announce that Chambers and Partners has selected 27 attorneys and nine practice areas for inclusion in the 2019 edition of the global and USA guides.
August 16, 2018
Attorney NewsBest Lawyers in America Recognizes 98 Jackson Walker Attorneys
Best Lawyers listings are based on an exhaustive peer review survey of thousands of attorneys who vote on the legal abilities of others in their practice areas. For over three decades, recognition in Best Lawyers has been regarded by both clients and legal professionals as a significant honor, since an attorney cannot pay to be listed.
May 3, 2018
SpotlightChambers USA 2018 Recognizes Jackson Walker Attorneys and Practices
Jackson Walker is pleased to announce 26 attorneys have been ranked in the 2018 edition of Chambers USA: America’s Leading Lawyers for Business guide, with four additional attorneys identified as “recognized practitioners.”
September 6, 2017
Attorney News53 Jackson Walker Attorneys Named to 2017 “Texas Super Lawyers” List
Thomson Reuters has named 53 Jackson Walker attorneys to its 2017 ‘Texas Super Lawyers’ list. According to Thomson Reuters, the list recognizes a “credible, comprehensive and diverse” selection of “outstanding attorneys,” and serves as a resource for those in search of legal counsel.
August 15, 2017
Attorney NewsBest Lawyers in America Recognizes 94 Jackson Walker Attorneys
The Best Lawyers in America, a widely regarded guide to legal excellence, has recognized 94 Jackson Walker attorneys in its 2018 edition. Best Lawyers listings are based on an exhaustive peer review survey of thousands of attorneys who vote on the legal abilities of others in their practice areas.
May 31, 2017
SpotlightChambers USA 2017 Recognizes Jackson Walker Attorneys and Practices
Jackson Walker is pleased to announce that 28 of its attorneys and 11 of its practices were recognized in the 2017 Chambers USA: America’s Leading Lawyers for Business rankings.
September 29, 2016
Attorney NewsJackson Walker Congratulates Its 54 Attorneys Added to 2016 “Texas Super Lawyers” List
Jackson Walker congratulates the 54 attorneys who were included in the 2016 “Texas Super Lawyers” list by Thomson Reuters.