Hallie Kiernan

Associate, Silicon Valley



Hallie Kiernan is an associate in the Firm's Silicon Valley office and is a member of the Intellectual Property practice group. Her practice focuses on patent litigation. She has worked with clients in various industries including computer software, financial services, ecommerce, medical devices and pharmaceuticals. Her experience includes initial assessment of claims and defenses, motions practice, discovery, claim construction, participating in depositions, and participating in oral argument at hearings before district courts and the PTAB. Hallie is also heavily involved in pro bono matters including matters promoting better treatment of animals and supporting non-profit groups who work on health, education, and human rights in Africa.

Prior to joining the Firm, Hallie served as a Law Clerk to the Honorable Troy L. Nunley of the United States District Court for the Eastern District of California for two years.

During law school, Hallie was a member of the UC Davis Law Review as a Senior Articles Editor and was a member of the UC Davis Trial Practice Honors Board. She also externed for the Honorable Chief Justice Tani Cantil-Sakauye of the California Supreme Court.

Hallie holds a Bachelors of Arts and Sciences with a double major in Applied Mathematics and Comparative Literature from the University of California, Davis.

Bars and Courts
California State Bar
US District Court for the Central District of California
US District Court for the Eastern District of California
US District Court for the Northern District of California
US Court of Appeals for the Federal Circuit
Bachelors in Applied Science, BAS
University of California, Davis
Juris Doctor
University of California, Davis School of Law


AnywhereCommerce v. Square, Inc. (N.D. Cal.).
Represented Square in a multi-patent litigation relating to point-of sale terminals including in six IPR petitions challenging the validity of the asserted patents and successfully obtained favorable final written decisions in all proceedings finding all challenged claims unpatentable.

California Institute of Technology v. Microsoft Corporation, 21-cv-0276 (W.D. Tex)
Representing Microsoft in an alleged infringement action of five patents involving error correction codes and methods.

Merck Sharp & Dohme Corp. v. Wyeth LLC et al., 21-cv-00024 (D. Del.)
Represented Wyeth in a declaratory judgment action brought by Merck and asserting counterclaims for infringement of three patents involving Streptococcus Pneumonia conjugate vaccines.

Nuance Communications LLC v. Omilia Natural Language Solutions, 19-cv-11438 (D. Mass).
Represented Omilia NLS, a speech recognition company, in a patent, copyright and antitrust matter filed in the U.S. District Court for Massachusetts. The client was alleged to infringe eight patents owned by the largest competitor in the speech recognition market.

Stiles v. Walmart, Inc. et al, 14-cv-02234 (E.D. Cal)
Representing Walmart in a lawsuit alleging patent infringement, trade dress infringement, false advertising and false association, unfair competition and violation of Sherman Act, Clayton Act and Antitrust Act.

StratosAudio, Inc. (W.D. Tex)
Representing StratosAudio, Inc. in multi-patent litigations against various car manufactures and defending the patents against seven IPR petitions challenging the validity of the asserted patents.

Confidential Client
Representing an international pharmaceutical company in a non-administered CPR arbitration in New York in a dispute with a licensee concerning breaches of license and development agreements (CPR, New York and New Jersey law, New York seat)