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Call Now to Find Out How to Protect Your Intellectual Property

Costello Law Corporation protects your brilliant ideas. We are well-versed in the legal issues surrounding patents, trademarks, copyrights and trade secrets.

If you need to protect your new idea, we can efficiently take you through the necessary steps. If you are dealing with an infringement, one of our experienced civil litigators can represent you.

Contact us today if you need legal assistance with any of the following:

  • Patents
  • Trade Secrets
  • Trademarks
  • Copyrights
  • Nondisclosure Agreements
  • Royalty and Licensing Agreements

If you pursue a patent or other intellectual property registration on your own, you risk making serious mistakes that could cost you a lot of time, money and ultimately, your idea.

Call attorney John Costello today at 916-347-0175 to arrange your consultation.

Attorney Profile

Attorney John P. Costello


  • California

Bar Admissions

  • California, 1992
  • Washington, 1992
  • U.S. District Court Northern District of California, 1992
  • U.S. District Court Eastern District of California, 1992
  • U.S. District Court Central District of California, 1992


  • Georgetown University Law Center, Washington, District of Columbia
    • J.D.
  • University of California at Davis, Davis, California, United States Of America
    • B.S. - 1986
    • Major: Biochemistry
    • Major: Biology

Since 1997, the "Lead Counsel Verified" status has been granted to attorneys who possess:

  • The Right Professional Experience
  • A Spotless Record

The following attorneys at this firm are Lead Counsel Verified:

John P. Costello

This attorney is Lead Counsel Verified in the following practice areas:

Practice Area Year
Intellectual Property Since 2015
Practice Area Year
Intellectual Property Since 2015
For Attorneys:Download Lead Counsel Badge

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