INTELLECTUAL PROPERTY LAW SERVICES
Patents, Trademarks, Copyrights and Trade Secrets
20+ YEARS

David M. Kleiman
U.S. Patent Attorney
California Bar #194955
USPTO Registration #42744
Mailing Address
David M. Kleiman
U.S. Patent Attorney
3835 E. Thousand Oaks Blvd. #R233
Thousand Oaks, CA 91362

Consultations
(818) 484-3220
Monday-Friday 8AM-6PM
Pacific Time (Los Angeles)
COMPLETE AND SUBMIT
THE FORM BELOW TO INQUIRE
ABOUT BECOMING A CLIENT

EXPERIENCED & TRUSTED REPRESENTATION

Whether you are an individual, a startup, or an established business enterprise, registered U.S. patent attorney David M. Kleiman can help you effectively use the intellectual property laws to conquer the competition in the commercial marketplace, in the courtroom, and before government agencies like the United States Patent and Trademark Office.

A sought-after advocate and trusted advisor, he has been helping individuals and businesses succeed since 1998. Mr. Kleiman has degrees in both applied sciences and physics. He is an award-winning Dean's list graduate of the nation's #1 law school for trial advocacy, and a distinguished alumnus of the Los Angeles County Bar Association Trial Advocacy Project. He also holds a certificate in intellectual property law with high marks from the nation's #1 law school for intellectual property law.

His private practice focuses on business and intellectual property law, with an emphasis on technology and patents. Mr. Kleiman has helped clients obtain hundreds of millions of dollars through patent rights enforcement or sale. He has filed over one hundred applications to obtain patents, trademark registrations, and copyright registrations for clients. He has negotiated and drafted numerous contracts for clients and has been lead or associate counsel on dozens of successfully resolved lawsuits and legal disputes. Beyond his private practice Mr. Kleiman has also volunteered his legal services as a prosecutor trying criminal cases to juries for the state of California, as an advocate for domestic violence victims, and as trial counsel defending tenants faced with wrongful eviction from their homes.

In addition to the many private individuals and businesses he has helped, below is a list of some of the business enterprises that Mr. Kleiman has worked for or against(*) that are a matter of public record:

  • UNOVA Corp.
  • Intermec Technologies
  • Litton Systems
  • Apple*
  • Hewlett-Packard*
  • Dell*
  • Compaq Computer*
  • Fujitsu*
  • Acer*
  • Gateway*
  • Toshiba*
  • NEC*
  • IBM*
  • Matsushita*
  • Allfast Fastening Systems
  • Textron*
  • Ateliers De La Haute*
  • Red Line Research Labs
  • Stanford University
  • NYKO Technologies*
  • Corning Inc.*
  • Motorola*
  • Smart Innovations Inc.
  • Helman Group Ltd.*
  • Luggage America*
  • Pacific Coast Luggage Inc.
  • Electronic Theater Controls*
  • Lightronics Inc.
  • NOKIA
  • Qualcomm*
  • Cooler Concepts LLC
  • MYBAN Inc.
  • Mavrix Photo Inc.*
  • Electro Flash Media LLC
  • Shuffle Master Inc.*
  • Avalinx Inc.
  • Solo Industries Inc.*
  • Bestvite Inc.
  • Izolation Inc.
  • Core-Vent Corp.
  • Multimedia Patent Trust
  • Kaneka
  • Mitsubishi*
  • Zhejang Medicine Co. Ltd.*
  • Xiamen Kingdomway Group*
  • Shenzou Biology & Technology*
  • Charm Alarm LLC
  • Bloomers Edutainment LLC
  • Newbury Walk Productions Inc.
  • Sunshield LLC
  • Gumiyo Inc.
  • EFCO Inc.
  • Pulp Art Surfaces LLC
  • Gamma Metrics*
  • Scantech Limited
  • Soixante Neuf Inc.
Client Testimonials

We’re so grateful for finding David! He’s always prepared, knowledgeable, and responsive to our requests. He’s overall great to work with and helped our company immensely.

Danielle Hoon Pitters Pulp Art Surfaces LLC

INTELLECTUAL PROPERTY LAW SERVICES
Patents, Trademarks, Copyrights and Trade Secrets
20+ YEARS

U.S. Patent Attorney
David M. Kleiman
California Bar #194955
USPTO Registration #42744
Mailing Address
David Kleiman
U.S. Patent Attorney
3835 E. Thousand Oaks Blvd. Ste. R233
Thousand Oaks, California 91362

Consultations
(818) 484-3220
Monday-Friday 8AM-6PM
Pacific Time (Los Angeles)
COMPLETE AND SUBMIT
THE FORM BELOW TO INQUIRE
ABOUT BECOMING A CLIENT

EXPERIENCED & TRUSTED REPRESENTATION

Whether you are an individual, a startup, or an established business enterprise, registered U.S. patent attorney David M. Kleiman can help you effectively use the intellectual property laws to conquer the competition in the commercial marketplace, in the courtroom, and before government agencies like the United States Patent and Trademark Office.

A sought-after advocate and trusted advisor, he has been helping individuals and businesses succeed since 1998. Mr. Kleiman has degrees in both applied sciences and physics. He is an award-winning Dean's list graduate of the nation's #1 law school for trial advocacy, and a distinguished alumnus of the Los Angeles County Bar Association Trial Advocacy Project. He also holds a certificate in intellectual property law with high marks from the nation's #1 law school for intellectual property law.

His private practice focuses on business and intellectual property law, with an emphasis on technology and patents. Mr. Kleiman has helped clients obtain hundreds of millions of dollars through patent rights enforcement or sale. He has filed over one hundred applications to obtain patents, trademark registrations, and copyright registrations for clients. He has negotiated and drafted numerous contracts for clients and has been lead or associate counsel on dozens of successfully resolved lawsuits and legal disputes. Beyond his private practice Mr. Kleiman has also volunteered his legal services as a prosecutor trying criminal cases to juries for the state of California, as an advocate for domestic violence victims, and as trial counsel defending tenants faced with wrongful eviction from their homes.

In addition to the many private individuals and businesses he has helped, below is a list of some of the business enterprises that Mr. Kleiman has worked for or against(*) that are a matter of public record:

  • UNOVA Corp.
  • Intermec Technologies
  • Litton Systems
  • Apple*
  • Hewlett-Packard*
  • Dell*
  • Compaq Computer*
  • Fujitsu*
  • Acer*
  • Gateway*
  • Toshiba*
  • NEC*
  • IBM*
  • Matsushita*
  • Allfast Fastening Systems
  • Textron*
  • Ateliers De La Haute*
  • Red Line Research Labs
  • Stanford University
  • NYKO Technologies*
  • Corning Inc.*
  • Motorola*
  • Smart Innovations Inc.
  • Helman Group Ltd.*
  • Luggage America*
  • Pacific Coast Luggage Inc.
  • Electronic Theater Controls*
  • Lightronics Inc.
  • NOKIA
  • Qualcomm*
  • Cooler Concepts LLC
  • MYBAN Inc.
  • Mavrix Photo Inc.*
  • Electro Flash Media LLC
  • Shuffle Master Inc.*
  • Avalinx Inc.
  • Solo Industries Inc.*
  • Bestvite Inc.
  • Izolation Inc.
  • Core-Vent Corp.
  • Multimedia Patent Trust
  • Kaneka
  • Mitsubishi*
  • Zhejang Medicine Co. Ltd.*
  • Xiamen Kingdomway Group*
  • Shenzou Biology & Technology*
  • Charm Alarm LLC
  • Bloomers Edutainment LLC
  • Newbury Walk Productions Inc.
  • Sunshield LLC
  • Gumiyo Inc.
  • EFCO Inc.
  • Pulp Art Surfaces LLC
  • Gamma Metrics*
  • Scantech Limited
  • Soixante Neuf Inc.
Client Testimonials

We’re so grateful for finding David! He’s always prepared, knowledgeable, and responsive to our requests. He’s overall great to work with and helped our company immensely.

Danielle Hoon Pitters Pulp Art Surfaces LLC

INTELLECTUAL PROPERTY LAW SERVICES
Patents, Trademarks, Copyrights and Trade Secrets
20+ YEARS
U.S. Patent Attorney
David M. Kleiman
California Bar #194955
USPTO Registration #42744
Mailing Address
David Kleiman
U.S. Patent Attorney
3835 E. Thousand Oaks Blvd. Ste. R233
Thousand Oaks, California 91362

Consultations
(818) 484-3220
Monday-Friday 8AM-6PM
Pacific Time (Los Angeles)

No matter what stage your business enterprise is at registered U.S. patent attorney David M. Kleiman can help you use the intellectual property laws to conquer the competition in the commercial marketplace, in the courtroom, and in the United States Patent & Trademark Office:

Mr. Kleiman is a sought-after advocate and trusted advisor who has been helping individuals and businesses succeed since 1998.

He has helped clients obtain hundreds of millions of dollars through patent rights enforcement or sale; obtained numerous patents, trademark registrations, and copyright registrations for clients; negotiated and drafted many contracts; and been lead or associate counsel for dozens of legal disputes.

Call (818) 484-3220, or click here, to get started as a client.


EXPERIENCED & TRUSTED REPRESENTATION

In addition to the many private individuals and businesses he has helped, below is a list of some of the business enterprises that Mr. Kleiman has worked for or against(*) that are a matter of public record:

  • UNOVA Corp.
  • Intermec Technologies
  • Litton Systems
  • Apple*
  • Hewlett-Packard*
  • Dell*
  • Compaq Computer*
  • Fujitsu*
  • Acer*
  • Gateway*
  • Toshiba*
  • NEC*
  • IBM*
  • Matsushita*
  • Allfast Fastening Systems
  • Textron*
  • Ateliers De La Haute*
  • Red Line Research Labs
  • Stanford University
  • NYKO Technologies*
  • Corning Inc.*
  • Motorola*
  • Smart Innovations Inc.
  • Helman Group Ltd.*
  • Luggage America*
  • Pacific Coast Luggage Inc.
  • Electronic Theater Controls*
  • Lightronics Inc.
  • NOKIA
  • Qualcomm*
  • Cooler Concepts LLC
  • MYBAN Inc.
  • Mavrix Photo Inc.*
  • Electro Flash Media LLC
  • Shuffle Master Inc.*
  • Avalinx Inc.
  • Solo Industries Inc.*
  • Bestvite Inc.
  • Izolation Inc.
  • Core-Vent Corp.
  • Multimedia Patent Trust
  • Kaneka
  • Mitsubishi*
  • Zhejang Medicine Co. Ltd.*
  • Xiamen Kingdomway Group*
  • Shenzou Biology & Technology*
  • Charm Alarm LLC
  • Bloomers Edutainment LLC
  • Newbury Walk Productions Inc.
  • Sunshield LLC
  • Gumiyo Inc.
  • EFCO Inc.
  • Pulp Art Surfaces LLC
  • Gamma Metrics*
  • Scantech Limited
  • Soixante Neuf Inc.
Client Testimonials

We’re so grateful for finding David! He’s always prepared, knowledgeable, and responsive to our requests. He’s overall great to work with and helped our company immensely.

Danielle Hoon Pitters Pulp Art Surfaces LLC