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John Peter MasonElder Law Attorney in Mill Valley, CA
Clapper Patti Schweizer & Mason
Elder LawMedical MalpracticeReal Estate
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Contact
Email
Phone
Address
Po Box 1179, Mill Valley, CA, 94942-1179, US
Professional
About
John Peter Mason is a seasoned attorney with over five decades of experience, dedicated to providing exceptional legal services at Clapper Patti Schweizer & Mason. Based in Mill Valley, California, John specializes in elder law, medical malpractice, and real estate, offering a wealth of knowledge and expertise to clients navigating complex legal landscapes. John’s extensive experience in elder law reflects his deep commitment to advocating for seniors and their families. His compassionate approach ensures that his clients receive personalized attention and strategic solutions tailored to their unique circumstances. Whether drafting wills, establishing trusts, or navigating guardianship issues, John is a trusted ally in safeguarding the rights and well-being of older adults. In the realm of medical malpractice, John is recognized for his meticulous attention to detail and unwavering dedication to justice. He diligently represents clients who have suffered due to medical negligence, ensuring they receive the compensation they deserve. His strategic acumen and thorough understanding of medical and legal intricacies make him a formidable advocate in this challenging area of law. John also brings substantial expertise to real estate law, assisting clients with transactions, disputes, and property management issues. His comprehensive knowledge of California’s real estate market and regulations enables him to effectively guide clients through acquisitions, sales, and complex legal disputes. At Clapper Patti Schweizer & Mason, John Peter Mason’s reputation for integrity, professionalism, and client-centered service is well-established. His commitment to delivering favorable outcomes and his personalized approach to each case make him a reliable choice for clients seeking legal representation in elder law, medical malpractice, and real estate matters.
About Elder Law
Elder law attorneys help seniors and their families with legal matters affecting older adults including estate planning, long-term care, and benefits. Common matters include medicaid planning, long-term care, guardianship, estate planning.
Credentials
Education
1997 San Francisco Law School JD - Juris Doctor 1992 California State University, Hayward BS - Bachelor of Science
Recognition & Involvement
Awards
2014 AV Preeminent 5.0 out of 5 Peer Review Rated, Martindale-Hubbell
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Updated: Jul 10, 2026