Heather Welles

O'Melveny & Myers LLP

Heather Welles represents clients in complex litigation and transactions and provides regulatory and strategic advice, with a particular focus on water, land use, and public policy issues. Heather works with a variety of clients, including private firms, government agencies, and nonprofit organizations.

Prior to joining O’Melveny, Heather completed two federal appellate clerkships, most recently for the Honorable David S. Tatel on the DC Circuit Court of Appeals, and previously for the Honorable William A. Fletcher on the Ninth Circuit Court of Appeals.

Heather graduated from the University of California, Berkeley School of Law, where she was awarded the Thelen Marrin Prize for Academic Excellence for graduating first in her class and served as the Editor in Chief of the Ecology Law Quarterly. Heather previously served as a legislative director in the Texas House of Representatives, where she worked on groundwater regulation, water quality, energy, and land use issues.


  • Representing a public agency in federal court on matters of first impression involving reserved water rights.
  • Successfully challenging a local initiative impacting mineral rights and water use, including co-authoring trial briefing and presenting argument in a regulatory takings bench trial and collateral administrative proceedings.
  • Advising on water rights and legislative and regulatory issues affecting water supply in multiple contexts, including disputes, business strategy, and project development.
  • Representing a nonprofit organization in connection with high-profile negotiations over water quality in the Sacramento/San Joaquin River Delta system.
  • Advising a government agency and nonprofit organization on constitutional, statutory, and regulatory issues related to immigration.


  • California
  • US Court of Appeals, Ninth Circuit
  • US District Court, Central District of California


  • University of California at Berkeley, J.D.: Thelen Marrin Prize for Academic Excellence (best academic record in graduating class); Order of the Coif; Editor in Chief, Ecology Law Quarterly; Landis Prize (most accomplished research paper in water or local government law); American Jurisprudence Awards for best exam in Constitutional Law, Contracts, Water Law, and Land Use Law
  • University of California at San Diego, B.A., Political Science


  • Honorable David S. Tatel, US Court of Appeals, District of Columbia Circuit
  • Honorable William A. Fletcher, US Court of Appeals, Ninth Circuit


Rate : $$$

What types of cases Attorney Heather Welles & O'Melveny & Myers LLP can handle?
O'Melveny & Myers LLP can handle cases related to laws concerning Litigation, Government. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is O'Melveny & Myers LLP located?
O'Melveny & Myers LLP is located at 400 S Hope St #18th+floor, Los Angeles, CA 90071, USA. You can reach out to O'Melveny & Myers LLP using their phone line 213-430-7613. You can also check their website omm.com or email them at [email protected].
How much would it cost to hire O'Melveny & Myers LLP?
Heather Welles lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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O'Melveny & Myers LLP
South Hope Street 400
Los Angeles 90071 CA US
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