Elizabeth Mount Penner

Timothy J. Billick is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law and Trademark Law. Timothy J., who practices law in Seattle, Washington, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy J. is held by other top lawyers in the same geographic and legal practice area.

Devin P. McComb is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Devin P., who practices law in Seattle, Washington, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Devin P. is held by other top lawyers in the same geographic and legal practice area.

Barbara Mahoney is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Barbara, who practices law in Seattle, Washington, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Barbara is held by other top lawyers in the same geographic and legal practice area.

Darby Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Darby, who practices law in Seattle, Washington, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Darby is held by other top lawyers in the same geographic and legal practice area.

Megan Vogel is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Megan, who practices law in Seattle, Washington, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Megan is held by other top lawyers in the same geographic and legal practice area.

Shawn Rediger is a Member in the Seattle office of Williams Kastner and Chair of the firm’s Business and Real Estate Transactions Group. Known for her practical, creative, and results-driven approach, Shawn works closely with clients to craft strategic solutions tailored to their business and legal objectives. Shawn advises businesses and individuals in bankruptcy, insolvency, and restructuring matters, with a strong focus on strategic planning. She brings a broad perspective to each ma...

Mike has been licensed to practice law since 1986 and his practice emphasizes real estate transactions, land use/zoning, alternative dispute resolution and litigation. A significant part of his practice involves waterfront properties and aquatic lands. He is a certified mediator and arbitrator and has served as a court-appointed referee and expert witness on real estate matters. Prior to joining Helsell Fetterman, Mike practiced in his own firm for 20 years and represented the Realtor® or...

Quentin Wildsmith is a trial attorney with an emphasis in trust, estate, guardianship, and complex commercial litigation. Quentin served as the Managing Principal for his firm from 2012-2014, and has supervised the firm’s Trust & Estate Litigation department since 2012. Quentin serves on the WSBA’s Trust and Estate Dispute Resolution subcommittee, is “AV” preeminent rated by Martindale-Hubbell, and has been consistently named a “Washington Super Lawyer”...

Sarah English Tune is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Sarah English, who practices law in Seattle, Washington, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah English is held by other top lawyers in the same geographic and legal practice area.

John Denkenberger is the managing member of COJK, a member of the firm's executive committee, and chair of the litigation practice group. John has successfully litigated patent, trademark, trade secret, and unfair business competition issues in federal and state courts. He has also successfully litigated AIA post-grant challenges, including inter partes review, before the Patent Trial and Appeal Board. In addition to his litigation practice, John also advises clients on foreign and domestic p...