2502 Stevens Creek Boulevard, San Jose, CA 95128
140 Town and Country Drive, Suite A, Danville, CA 94526


925-233-4399 or 408-290-7210

James P. Cilley


James P. Cilley is certified as a Specialist in trust and estate litigation, fiduciary disputes, and elder abuse actions by the California State Bar Board of Legal Specialization. He is also AV® Preeminent™ Peer Review Rated by Martindale-Hubbell® for his legal ability and high ethical standards in the areas of trusts and estates, wills and probate, and law related to the aged and aging.

As the senior litigation partner at Temmerman, Cilley & Kohlmann, LLP, Mr. Cilley’s practice involves will and trust contests, elder abuse, fiduciary accounting, fiduciary removal and surcharge, breach of fiduciary duty, constructive and resulting trusts, interpretation of testamentary instruments, creditor’s claims, conservatorships, and related appeals. Mr. Cilley handles every stage of litigation, including pre-lawsuit negotiation, discovery, law and motion, settlement negotiations, mediation, trial, and appeals. He has more than 22 years of experience serving as lead attorney in many of Northern California’s largest probate and trust cases. Mr. Cilley has substantial trial experience in contested probate cases before a wide variety of California trial and appellate courts. He has participated in all forms of alternative dispute resolution.

In addition to his exceptional legal services, Mr. Cilley serves as an expert witness on a wide range of legal issues supported by current and relevant case law, statutes, and secondary resources.

Mr. Cilley is admitted to practice law in all superior courts of California, all appellate courts of California, the Supreme Court of California, all federal district courts in California, and the Federal Ninth Circuit Court of Appeals. To learn more about Mr. Cilley’s experience, please see his complete CV.

Contact a San Jose certified estate planning and litigation specialist

Certified specialist James P. Cilley offers preeminent services in all areas of estate planning and administration, elder law, fiduciary law, incapacity planning and related litigation, mediation, and appeals. To learn more about Mr. Cilley’s legal expertise and services, contact our San Jose office by calling 408-290-7210, our Danville office by calling 925-233-4399 or contact us online.




  • 1998-Present: Associated with Mr. Temmerman and Mr. Kohlmann. Mr. Cilley is certified by the State Bar of California Board of Legal Specialization as a specialist in the field of Estate Planning, Probate and Trust Law. Mr. Cilley has been Peer Review rated AV® Preeminent™ by Martindale Hubbell 1996-1998: Associate with the law firm of Temmerman & Desmarais, LLP, San Jose, practicing in the area of trust and estate litigation 1994-1996: Associate with the law firm of Lakin Spears, LLP, Palo Alto in the areas of trust and estate litigation

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