California Attorney
Patents, Trademarks, Copyrights & Related Business Law
Call (818) 484-3256
US Patent Office

Quality Intellectual Property Law Services Since 1998

  • Patent Litigation
  • Trademark Litigation
  • Copyright Litigation
  • Unfair Competition Litigation
  • Trade Secret Litigation
  • Patentability Searches
  • Patent Infringement Investigations
  • Trademark Clearance Investigations
  • U.S. Utility Patent Applications
  • U.S. Design Patent Applications
  • International Patent Applications
  • International Design Patent Applications
  • U.S. Trademark Registrations
  • U.S. Copyright Registrations
  • International Trademark Registrations
  • Trade Secret Protection

If your business enterprise is in need of professional legal services in the areas of patents, trademarks, copyrights, trade secrets or related areas of business law David M. Kleiman would enjoy having the opportunity to discuss your intellectual property law needs and how he may be able to help. Call (818) 484-3256 ext. 1 to arrange for a consultation.

What Some Satisfied Clients Say

"We were in need of a lawyer for the LA federal court. We were a small company in battle with a 500 million+ company with tons of lawyers. They go after small companies and we were in a fight for our life. From the very beginning he was professional, knowledgeable and very fair. We went to court 3 times and won 3 times. What a difference a good lawyer makes and would use him again. We were extremely happy with our results. "

Fred Northcutt
Avalinx Inc.

"We have used Mr. Kleiman to do legal research on dozens of products we have manufactured.  Mr. Kleiman is one of the most thorough patent attorneys we have ever employed.  His opinions are conservative by nature and thus we feel confident moving forward after receiving his detailed analysis. "

Mike Katz
Smart Innovations Inc.

"As an inventor it is important that legal counsel understands clearly the vision of my ideas, David Kleiman is that man. I have presented Mr. Kleiman with innovations that have been as diverse as algal oil extraction to digital real time points of sales.  On all occasions he understood clearly and quickly the basis of the new idea. Mr. Kleiman is efficient, intelligent, and very organized.  I would recommend him to any inventor ready to take the next step of owning the innovation."

Maurice Vanegas
Transit Systems Unlimited Inc.

"Thank you Mr. Kleiman for helping me get my patent filed. You are a very professional and intelligent attorney who strategically evaluates, with an open mind, the pros and cons of filing a patent. On top of all that you were very affordable. I am happy with your services and would definitely recommend you to anyone with patent and legal needs. Thank you!"

Ruben Godinez
Los Angeles, California

"Mike and I were able to "de-brief" for a few hours after we met with you. We just wanted to thank you again for the depth of information and insight that you provided with us today. Of all the legal advice we have received to date, none has been so succinct and relevant as yours and we thank you again for that."

Tom Aiezza
Jungo LLC

"Without going into details about my situation, let me just say that David Kleiman was fantastic as my attorney. He was very professional, patient and thorough. He made sure I comprehended every step, every word. Glad I listened to all his advice. "

Claudette Roche
The Accent Coach

"I’ve had the pleasure of working with David Kleiman on a number of projects over the years. He is an extremely competent attorney who takes great pride in everything he does. In addition to having a great disposition, I have always found him to be fair, patient and honest. I would not hesitate to use him again, or recommend his services to family and friends."

Dave Black
Vice President and Editor-in-Chief, School & Church Publishing
Alfred Music Publishing

Office Consultation By Appointment Only

David M. Kleiman
Registered U.S. Patent Attorney

21900 Burbank Blvd. Third Floor
Woodland Hills, California 91367
Tel/Fax: (818) 484-3256

**Unsolicited Information Is Not Accepted**