Karrie Johnson Diaz

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

Elizabeth C. Chambers is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. Elizabeth C., 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 Elizabeth C. is held by other top lawyers in the same geographic and legal practice area.

Paul Tonella practices in Keller Rohrback's business and estate planning group, where he represents individuals, families, and businesses in tax and general legal matters. He brings a wide range of experience in entity formation, contracts, purchases and sales of companies, personalized estate planning and probate and trust administration.

Callan Cobb Kanev is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Callan Cobb, who practices law in Seattle, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Callan Cobb is held by other top lawyers in the same geographic and legal practice area.

Professional Experience Andrew Kinstler has a civil trial practice with an emphasis on employment law and personal injury defense. He has extensive experience advising both employers and employees on issues arising under federal and state laws. Andrew has successfully tried cases in front of juries in courts throughout the Pacific Northwest, and has represented clients in appeals heard by the Washington Court of Appeals, the Washington Supreme Court and the Ninth Circuit Court of Appeals. Rec...

Sara is a lawyer in Brewe Layman’s Seattle office. Throughout her practice she has focused on family law cases, specifically those with complex financial issues such as closely held businesses, executive deferred compensation plans, stock grants and options, and other valuation issues. She also handles complicated parenting issues, including dealing with parents with substance abuse histories. Having assisted clients in a full range of property division, spousal maintenance and parentin...

Austin Rainwater is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Austin, 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 Austin is held by other top lawyers in the same geographic and legal practice area.

BACKGROUND Becky specializes in biotechnology and pharmaceutical patents. She works closely with companies in these industries to develop strategic patent protection for their technologies. She helps her clients minimize their patent infringement risks, and facilitates smooth IP-related business transactions. Her expertise includes managing patent portfolios for a variety of technologies such as immunotherapeutics, proteins, nucleic acid isolation and analysis, pharmaceutical compositions, di...

Dr. Rhys Lawson focuses his practice on creating patent portfolios to obtain integrated worldwide protection for his clients' inventions. Rhys works with a variety of clients, ranging in size from independent inventors and early-stage entrepreneurs to multinational corporations, universities and non-governmental organizations. Rhys is the head of the firm's life sciences practice group and a member of the mechanical engineering practice group. His areas of particular technical expertise are b...

Marco de Sa e Silva is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Marco, who practices law in Bellevue, Washington, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marco is held by other top lawyers in the same geographic and legal practice area.