Shylah R. Alfonso
Ashurst Perkins Coie
Recognized for
Antitrust & Competition
The Elite Counsel Perspective
Shylah’s antitrust judgment is outstanding, particularly where competition and IP intersect; her experience spans technology disputes, investigations and merger clearance.
Shylah’s antitrust judgment is outstanding, particularly where competition and IP intersect; her experience spans technology disputes, investigations and merger clearance.
Overview
Shylah Alfonso advises and represents companies in antitrust and competition matters, with a practice spanning litigation, government investigations, merger clearance and counseling. Her work also includes class-action and consumer protection litigation, as well as intellectual property and FRAND disputes. She regularly leads large teams across offices and disciplines on matters involving novel legal and economic issues, and is particularly known for work at the intersection of antitrust and intellectual property for technology-driven businesses.
Shylah represents multinational companies, including businesses entering or expanding in the U.S. market. Her matters involve federal and state regulators and courts, including the FTC, the DOJ and state attorneys general, as well as claims brought by private plaintiffs. Her clients have included manufacturers, distributors, retailers, R&D companies and patent portfolio holders. The industries represented in her practice range from AI, telecommunications, social networking, big data and platform markets to semiconductors, software, agriscience, pharmaceuticals, manufacturing, retail, aerospace and the internet.
Alongside disputes and investigations, Shylah counsels and trains clients on the antitrust implications of pricing practices, vertical restraints and distribution arrangements. She also advises on IP acquisition and licensing, joint ventures, participation in trade associations and standard-setting, and other commercial transactions. Her work for companies in the technology, retail, telecommunications and manufacturing sectors addresses competition risks in the context of their commercial activities. Representative clients include Microsoft, Amazon, Google, LinkedIn, Nintendo of America Inc., HTC, Nestle, T-Mobile, Mapei, Simplot and Lennox.
Education
- University of Washington School of Law, J.D., 2002
- University of Washington, B.A., Political Science/Society and Justice, 1998
Admissions
- Washington
- U.S. Court of Appeals for the Ninth Circuit
- U.S. District Court for the Western District of Washington
- U.S. District Court for the District of Colorado
- U.S. Court of Appeals for the Tenth Circuit
Honors & Recognition
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Listed in Chambers USA as "America's Leading Lawyer" for Antitrust Band 1, 2022-2026
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Listed in Best Lawyers in America: Commercial Litigation; Litigation - Intellectual Property, 2024-2027
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Listed in Washington Law and Politics, “Rising Stars of Washington Law”
Professional Associations
- American Bar Association, Antitrust Law Section Leadership, Committee Operations, 2022-2024; Federal Civil Enforcement Committee, Co-Chair, 2018-2022; Vice-Chair, 2015-2018
- Washington State Bar Association, Consumer Protection, Antitrust and Unfair Business Practice Section, Chair, 2012-2014; Executive Committee, 2007-2010, 2011-2016
- National Partner Compensation Committee, Perkins Coie LLP, 2016-2021; Chair, 2018-2019
- National Partner Compensation Resource Committee, Perkins Coie LLP, 2018-2020; Chair, 2020-2022
- National Strategic Diversity Committee, Perkins Coie LLP, 2012-2018
- Washington Wine Commission, Board Member, 2018-present
- Washington Wine Institute, Vice President, 2010-2017
- National Associate and Counsel Evaluation Committee, Perkins Coie LLP, 2013-2016
