About Grismer & Patterson Law

From Personal Injury to Estate Planning, we can help.

About Us

Grismer | Patterson, LLP is a full service, dynamic, and trustworthy law firm that specializes in a variety of legal disciplines.  At Grismer | Patterson, LLP, we are consistent, patient and professional, giving each new case the attention it deserves. An integral part of our services is to work closely with our clients so that they can make the right decisions with respect to their legal needs. We have been providing complete legal service to the Orange and Los Angeles County area since 2014. By working with our exceptionally talented team of lawyers, our clients achieve remarkable results.

orange county personal injury and estate planning law office

Our Attorneys

Injury Attorney Marc Grismer

Marc Grismer

Attorney focuses on Estate Planning, Personal Injury and Civil law

Marc P. Grismer is a litigation and estate planning attorney. Marc has represented clients in various types of litigated matters ranging from personal injury to dissolution of marriage. He also practices estate planning and estate litigation. Marc has worked with a wide variety of clients from all types of backgrounds. 

Mr. Grismer received his Bachelor of Science in Criminology from the University of La Verne. After graduating magna cum laude from University of La Verne, he went on to receive his Juris Doctorate from Western State University, College of Law in Fullerton, California. 

Mr. Grismer is admitted to practice law in the State of California.  He is currently a member of Phi Alpha Delta (the largest professional law fraternity in the United States), the American Bar Association, and Consumer Attorneys Association of Los Angeles.

More attorney bios to come.

Personal Injury

Estate Planning

Family Law

Probate of Estates

Trust Litigation

Property Damage


Not seeing what you're looking for?

or maybe you just aren't sure?

Let's get started.

Speak with one of our trusted attorneys to see how we can help.