Kay Dannenmaier

Kay’s practice focuses on commercial litigation. She represents plaintiffs and defendants in antitrust, unfair competition, trade secrets, contract, and tort disputes. Her cases involve industries spanning from air ticketing systems to oilfield chemicals. In the past three years, Kay has helped the firm’s clients recover more than $60 million.

Before joining the firm, Kay clerked in Oklahoma City with the Hon. Robert E. Bacharach of the U.S. Court of Appeals for the Tenth Circuit and in Hartford with the Hon. Vanessa L. Bryant of the U.S. District Court of Connecticut. She received her J.D. from Yale Law School. There, she served as an Articles Editor for the Yale Journal on Regulation.

Kay serves as a mentor for the American Bar Association’s Antitrust Section and as a board member for the Texas Debate Collective.

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Representative Experience

• Doctors Hospital of Laredo v. Laredo Medical Center. (W.D. Tex.) Part of plaintiff’s team in competitor antitrust case related to the interventional cardiology market in Laredo, Texas. Lawsuit is ongoing.
• Baker Hughes Company v. LiquidPower Specialty Products Inc. (S.D. Tex.) Part of plaintiff’s team in competitor antitrust case. Baker Hughes alleged that, to monopolize the worldwide market for heavy crude drag reducing agents (DRAs), LSPI had obtained patents through fraud on the PTO and brought a sham lawsuit against Baker Hughes. Baker Hughes sought damages for lost sales. After taking and defending fact and expert depositions, Kay was a lead drafter for Daubert and summary judgment briefing that was pending when the dispute settled.
• SS Management v. Harrah’s. Part of plaintiff’s team that brought contract, tort, and Nevada Unfair Trade Practices (antitrust) claims against Harrah’s casino based on their paid parking program. SS Management alleged that Harrah’s breached its parking agreement with family-owned SS Management after a long-time course of voluntary compliance, and did so in order to monopolize the Stateline, Nevada gaming market. Developed antitrust expert strategy, deposed fact witness, and drafted three rounds of briefing that kept all the claims in the case until it settled two weeks before trial.
• Global Tubing v. Tenaris Coiled Tubes. Part of team that, at summary judgment, won complete dismissal of patent claims for oilfield technology (quench-and-tempered coiled tubing) based on defendant’s inequitable conduct in the U.S. Patent Office.
• US Airways v. Sabre. Part of plaintiff’s team in the first post-Amex two-sided-market antitrust trial. US Airways argued that Sabre had used restrictive contract terms, retaliation and threats, exclusive agreements, and bundling to monopolize the market for Sabre-subscribed travel agents. After a three-week trial in SDNY, the jury found Sabre liable for monopolization.
• Forum Energy Technologies v. Jason. Part of plaintiff’s team representing an oilfield technology company in a federal trade secrets matter. Drafted successful responses to multiple motions to dismiss. Case settled.
• Southwestern Manufacturing v. Forum Energy Technologies. Part of defendant’s/counterclaim-plaintiff’s team in dispute over quality of oilfield equipment (fracking pumps). Case settled the weekend before trial.