Lori Guevara

Denver has a unique practice that spans multiple disciplines, including environmental, real estate, business, litigation, trusts and estates, and taxation. In his environmental and real estate practice, Denver advises clients regarding regulatory compliance and cost recovery actions under the Washington Model Toxics Control Act (MTCA), assists clients in complex multi-party sites involving cleanup actions arising under state law and the Comprehensive Environmental Response, Compensation, and ...

David A. Perez is a top attorney recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Intellectual Property. David has a nationwide practice, and is based in Seattle, Washington. He has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in his practice areas.

Jeffrey M. Thomas is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation and Commercial Litigation. Jeffrey M., who practices law in Seattle, Washington, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey M. is held by other top lawyers in the same geographic and legal practice area.

Tony’s practice has long focused on complex litigation, primarily trust and probate disputes, as well as commercial actions including closely held business disputes and dissolutions. Whether the matter involves attacking or defending a prenuptial agreement in a probate, prosecuting a fiduciary’s breach of duties or forcing out a problematic minority-interest business owner, Tony has been obtaining successful results for his clients for decades. He is an effective negotiator but, i...

Hugh McCullough is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Commercial Litigation and Litigation - Bankruptcy. Hugh, who practices law in Seattle, Washington, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hugh is held by other top lawyers in the same geographic and legal practice area.

Bob Mahon, chair of the firm's State & Local Tax practice, focuses his practice on helping clients minimize state and local taxes and comply with state and local tax laws. Bob represents clients in state and local tax audits, refunds, appeals, and litigation, as well as assists clients with tax planning and business transactions. Bob is the past president of the Tax Section of the Washington State Bar Association and teaches State and Local Tax as an adjunct professor at the University of...

Georges Yates, a partner and chair of the firm's International practice, focuses his practice on: international business transactions and joint ventures; mergers and acquisitions; cross-border business operations, investment and taxation; real estate acquisitions, syndications, finance, leasing and development; and corporate finance (equity and debt). He serves as outside general counsel to a number of public and private companies. He also coordinates strategic relationships between Perkins C...

Complex marital dissolutions and legal separations, parenting plans, relocation actions, high-conflict child custody and child support matters, third-party and non-parental custody actions, cohabitation/prenuptial and community property status agreements, and post-dissolution issues, including child support and parenting plan modifications.

Derek Ko is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Information Technology Law and Technology Law. Derek, 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 Derek is held by other top lawyers in the same geographic and legal practice area.

James E. Wreggelsworth is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. James E., who practices law in Seattle, Washington, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James E. is held by other top lawyers in the same geographic and legal practice area.