About
About Us
At Knapp Moss, our mission isn’t just about winning cases; it’s about transforming lives and redefining justice for personal injury victims across California. In a legal landscape that demands empathy and transparency, we set a new standard where clients feel heard, supported, empowered, and fully compensated.
Formerly known as The Law Offices of Lawrence M. Knapp, we rebranded in 2024 to reflect our growing capacity to create meaningful impact statewide. With over 30 years of combined experience, we serve clients from offices in Stockton, Los Angeles, and the San Francisco Bay Area, making justice accessible across California.

Trial Lawyers Fighting for Justice
Lawrence M. Knapp
Since founding his practice in 1993, Lawrence M. Knapp has dedicated his career exclusively to litigating personal injury cases. With over thirty years of experience, Larry remains a relentless advocate for his clients, achieving numerous trial victories and substantial settlements. A former president of the San Joaquin County Trial Lawyers Association, Larry currently serves on the Board of Governors for the Consumer Attorneys of California. His contributions have earned him prestigious accolades, including the Consumer Attorneys of California Outstanding President Award and the Presidential Award of Merit. Larry is also a respected speaker and writer on various aspects of civil litigation, sharing his knowledge and insights to advance the field. Member: AAJ, CAOC, CALAA, TLPJ, ABOTA, SJCBA, SFTLA
Catherine R. Moss
Catherine R. Moss was raised in a small town in California’s Central Valley before moving to Los Angeles in 2011 to attend UCLA, where she earned a B.A. in Environmental Studies and Geography in 2015. She went on to receive her J.D. from Southwestern Law School in 2020. In June 2025, Catherine won a $1.2 million dollar jury verdict in San Bernadino County for her personal injury client. A dedicated advocate, Catherine takes pride in building meaningful relationships with her clients. She understands that a traumatic injury is a life-altering experience that can be challenging to put into words. Catherine invests time in truly understanding her clients’ experiences and ensures they feel informed and empowered throughout the litigation process. Member: AAJ, CAALA, CAOC
Howard J. Knapp
Howard J. Knapp grew up in a small town in California’s Central Valley. He moved to the Bay Area to attend UC Berkeley and graduated with a B.A. in English in 2013. Howard then spent over seven years working in marketing and business development for corporate clients of all sizes, including an international law firm and Fortune 50 technology company. After years in his corporate career, Howard went on to obtain his J.D. from UC Law San Francisco (Formerly UC Hastings). During law school, Howard externed for Chief Justice Cantil-Sakauye of the California Supreme Court and clerked for Alameda County Office of the County Counsel. Two weeks after taking the bar exam, Howard second-chaired and won a month-long trial that resulted in the highest nondeath personal injury jury verdict in Stanislaus County history. Today, he is a passionate advocate for personal injury plaintiffs who prides himself on building a strong community with trusting, honest relationships. Howard takes the time to understand what each of his clients have experienced and ensures that they have the tools to comprehend the litigation process. Howard is current a member of the board of directors for Marin Trial Lawyers Association. Member: AAJ, CAALA, CAOC, SJCBA, SFTLA, MTLA, MCBA
A Personalized Approach to Personal Injury
The legal team at Knapp Moss provides a uniquely tailored approach to every personal injury case. As a family-operated firm, our close-knit team allows us to offer a boutique and unparalleled level of personal service that larger firms simply cannot match. We truly get to know each client’s individual story with the empathy, compassion, and consistent communication your case deserves. Whether you’ve suffered from traumatic brain injury, wrongful death, sexual abuse, or other catastrophic injuries caused by the negligence of a corporation, public entity, or individual, our focus is on securing justice and maximum compensation for your case.
Skilled and Strategic Negotiation
We have extensive experience negotiating with insurance companies and opposing counsel to secure favorable settlements for our clients. By anticipating and countering tactics used by insurance companies to minimize claims, we ensure our clients receive the compensation needed for recovery and long-term care. Our strategic approach allows us to resolve cases efficiently, often avoiding the need for trial while delivering strong, effective results.
Proven Trial Skills and Courtroom Success
At Knapp Moss, we prepare every case for jury trial because insurance companies and responsible parties otherwise routinely refuse to offer reasonable value for settlement. Our attorneys have a proven track record in court, securing victories for clients who have suffered due to the negligence and wrongdoing of others. We have obtained record setting verdicts for victims suffering from catastrophic injury. Our trial expertise strengthens our negotiating position and ensures that justice is pursued with the determination required to win in court.
Why Choose Us?
As a family-operated firm, Knapp Moss offers a boutique and unparalleled level of personal service that larger firms simply cannot match. We take the time to understand each client’s unique story, providing compassionate, consistent communication throughout our relationship. Whether facing traumatic brain injury, wrongful death, sexual abuse, or other catastrophic injuries due to the negligence of corporations, public entities, or individuals, we focus on securing justice and maximum compensation with a personalized approach.
Contact.
We’re fully covered in the state of California with convenient office locations that support our primary home in Stockton, CA.
Stockton
250 Dorris Pl.
Stockton, CA 95204
San Francisco Bay Area
851 Irwin St Ste 205
San Rafael, CA 94901
Los Angeles
5967 W 3rd St. Ste 340
Los Angeles, CA 90036