At CAD Illustration (ocpld) we have generated more than ½ million illustrations and have successfully submitted to Patent Offices around the world. We understand the complex rules and strict requirements of U.S. Patent Office and PCT.

Our valuable experiences & expertise in patent & trademark drawings can help you file your applications quickly & on time. Patent drawings are legal documents & we strongly suggest you contact us for a free consultation before writing your patent specification. We will work closely with you and we certainly can help you gain a competitive advantage over prior art by illustrating & disclosing the invention to the best mode & accurately pointing out the claimed subject matter.

   As independent patent draftspersons, we have been providing drawing services to patent attorneys, agents, & inventors for more than 25 years.

  We prepare patent drawings in CAD programs based on client sketches, verbal instructions, client electronic files, and/or photographs.

All drawings are drafted according to USPTO & international (PCT) standards.

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We prepare PATENT DRAWINGS for

• Design patent

• Provisional patent

• Utility patent / Non-Provisional Patent

• Plant patent

To view a few samples of our drawings please click on the SAMPLES page.