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About me

·  Prosecution and preparation of provisional, utility and PCT patent applications in the biomedical, electronic, chemical, energy, desalination, aviation,electrophotograpy, business methods, telecommunications, database, and mechanical fields for concerns ranging in size from startup companies to Fortune 500 companies.

·  Preparation of freedom to operate opinions (non-infringement opinions).

·  Review and evaluation of intellectual property estates before acquisition.

·  Coordination of patent application filings and prosecution in  Europe, Asia, Australia, Mexico, and South America.

·  Patent Infringement Litigation throughout the U.S.

In 1996, Mr. Douglas graduated from the University of California, Berkeley with a Bachelor of Science degree in chemical engineering. In 1999, he received his Juris Doctorate degree from the University of California, Davis School of Law and then became registered to practice before the USPTO.

In law school, Mr. Douglas served as a judicial intern to Superior Court Judge Jeffrey Gunther. Prior to law school, Mr. Douglas was an engineering intern at the Lawrence Livermore National Laboratory in the area of semiconductor processing. He also worked as an engineer for Tosco Refining.

Mr. Douglas has been lead attorney in five patent infringement litigation cases (defendant and plaintiff).  Mr. Douglas also maintains a patent prosecution practice.


Languages spoken: English, Spanish

Photos and videos

140054 1464607286

140054 1277954376

Practice areas


  1. Litigation: 40%
    15 years
  2. Patent Application: 30%
    15 years
  3. Patent Infringement: 10%
    15 years
  4. Intellectual Property: 10%
    15 years
  5. Other: 10%
  6. More 



Free consultation (30 minutes)

Payment types:

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Attorney endorsements

4 total 

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  • Hubert W Pfabe

    I endorse Attorney Douglas. I have viewed his responses and advice that he has offered on a wide range of topics and have found it on point and insightful.


    Hubert Pfabe Patent application Attorney
    Relationship: Fellow lawyer in community

  • Walter Joseph Tencza Jr

    I endorse Attorney Douglas. His cogent answers in the Avvo forum show a depth of legal knowledge, particularly in the intellectual property area.


    Walter Tencza Patent application Attorney
    Relationship: Fellow lawyer in community

Contact info

15333 Culver Dr
Ste 340 Pmb 114
Irvine, CA, 92604-3051


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
King Hall Alumni Scholarship AwardDavis Law Alumni1999
Work experience
TitleCompany nameDuration
Attorney At LawLaw Offices of F.M. Douglas, Esq.2004 - Present
Lead Patent AttorneyAetas Technology Incorporated1999 - 2004
Association namePosition nameDuration
Orange County Patent Law AssociationMember2001 - Present
Legal cases
Case nameOutcome
Ring Plus v. CingularAffirmed in part, reversed in part on appeal
Rothwell v. Excell Technologies, Inc.Case settled in client's favor on first day of trial.
See all legal cases 
School nameMajorDegreeGraduated
University of California at Davis School of LawLawJD - Juris Doctor1999
University of California - BerkeleyChemical EngineeringOther - Bachelors1996
Speaking engagements
Conference nameTitleDate
Inequitable Conduct (How to Lose Your Patent)Inequitable Conduct (Patent Law)2006
Inequitable Conduct - How to Lose Your PatentPatent Law2005
Inequitable Conduct - How to Lose Your PatentPatent Law2005