Greg Casas

Class Action

• Represented a multifamily rental housing property manager in multidistrict litigation (MDL) comprised of antitrust cases pending in more than 20 states relating to claims that property managers around the country have fixed or artificially increased rental rates through the use of algorithmic pricing software
• Represented the nation's largest natural and organic grocery store chain in a class action in the District of Columbia involving non-payment of bonuses
• Represented a natural and organic grocery chain in multiple pending class actions. Cases involve alleged overpricing of pre-packaged foods, improper labeling, wrongful termination claims, securities claims, and Employee Retirement Income Security Act (ERISA) violations. Secured dismissals in cases involving securities litigation and ERISA violations, which have both been affirmed by the Fifth Circuit. Recently obtained summary judgment in the client's favor in an alleged overpricing class action, pending in the Southern District of New York
• Represented a reseller of residential-mortgage-backed securities in a putative class action filed in Travis County, Texas by a state-affiliated investor
• Defended a supermajor oil and gas company in a class action brought in Latin America by all purchasers of retail gasoline against supermajor oil companies

Antitrust and Trade Regulations

• Represented a midwestern multiple listing service in an antitrust case in California regarding terms and conditions for listing properties on multiple platforms and listing services. The plaintiff alleges that the multiple listing services across the country have entered into an illegal agreement to limit or prohibit private or pocket listings of residential real estate for sale
• Regular counsel for companies regarding the use of AI and other algorithmic software to limit antitrust risks that may arise in real estate, manufacturing, and retail industries
• Counselled companies regarding ESG initiatives in relation to allegations that participating in initiatives are alleged violations of state and federal antitrust and competition laws
• Represented the Texas subsidiary of a multi-state payor in an antitrust case alleging an illegal boycott under the Sherman Act. Plaintiffs alleged that the client conspired with other payors to prevent plaintiffs from providing home treatment options in the allergy testing and treatment market in Texas
• Represented a company in the market for environmental risk assessment data for property assessments in bringing a claim under Section 2 of the Sherman Act against the market leader. The case involves claims of sham litigation, copyright infringement, improper product bundling, and business disparagement. The case is pending in federal court in the Southern District of New York
• Represented a Chinese steel manufacturer in an International Trade Commission (ITC) proceeding alleging trade claims and antitrust violations arising from various manufacturers' export of steel into the US
• Represented an agency of an eastern European country in MDL proceedings in Chicago involving antitrust claims related to the sale of certain commodities. 
• Represented an association of physicians in a suit alleging violations of Section 1 of the Sherman Act, as well as common law torts, such as tortious interference and business disparagement
• Counselled health care providers and hospitals about antitrust issues arising out of land-use restrictions, joint venture formation, and negotiations with payors
• Represented a medical equipment rental company in an antitrust action. Claims allegedly arose under Sections 1 and 2 of the Sherman Act and Common Law Tort
• Represented a key entity responsible for negotiating pricing programs and establishing distribution solution under the Health Resources and Services Administration (HRSA)'s Prime Vendor Program in a suit alleging violations of Section 1 of the Sherman Act, the Robinson-Patman Act, and Common Law Tort
• Counselled and represented domestic and international clients regarding Hart-Scott-Rodino filings and related second requests before the US Department of Justice and Federal Trade Commissions. Industries involved included agriculture and gasoline, natural gas transmission, gasoline and crude oil transmission, and refining, healthcare, hotels, and financial services

Commercial

• Represented a retailer in a real estate dispute with a joint venture partner over distribution of proceeds from the sale of land to the US government. The matter involved both state court litigation and American Arbitration Association (AAA) arbitration
• Represented a Houston-based hedge fund in a suit arising out of a failed investment in a film finance company. The fund asserted claims for fraud and negligent misrepresentation
• Coordinating counsel for a national natural and organic grocery chain in various disputes in New Jersey, New York, Connecticut, Arizona, Florida, Texas, California, and Illinois

International

• Represented a Japanese technology company in a federal court case in Houston regarding an alleged infringement of copyrighted and trademarked materials of a US company for products being developed and marketed in Japan
• Represented a Chinese-based designer and fabricator of semiconductors in claims against competitors related to financing and building a new fabrication plant in China

Energy and Natural Resources

• Represented a Texas electric co-op in federal court in East Texas in a contract dispute with a regional supplier related to a right of participation in future development of traditional and renewable generation facilities
• Represented a Caribbean oil and gas producer in arbitration before the International Chamber of Commerce (ICC) regarding taxes from the purchase of offshore oil and gas leases
• Represented a West African nation in disputes involving the development and sale of that country's natural resources in a proceeding before the ICC and the International Centre for Settlement of Investment Disputes (ICSID), including representation of the country in the first ever Conciliation under ICSID's Additional Facility Rules

• Band 3, Texas Antitrust, (2022 – 2025)
• Recognized Practitioner, Texas Antitrust, (2015 – 2019)
• Up and Coming, Texas Antitrust, (2011 – 2012)

• Recognized, Dispute Resolution – Corporate Investigations and White-Collar Criminal Defense: Advice to Corporates, (2020 – 2021)
• Recognized, Dispute Resolution – Corporate Investigations and White-Collar Criminal Defense: Advice to Individuals, (2020 – 2021)
• Recognized, Dispute Resolution – General Commercial Disputers, (2020)

Additional Recognitions

• Leading Litigators in America, Complex Litigation, inc. Antitrust, Energy, Lawdragon 500, (2022 – 2025)
• Listed, Commercial Litigation, The Best Lawyers in America, (2024)
• Listed, Texas Super Lawyers, Super Lawyers, (2010 – 2024)
• Top Attorneys in Austin, Antitrust, Austin Monthly Magazine, (2020 – 2022)
• Rated, 5.0 out of 5.0, AV® Preeminent