Skip to main content

About me

My website can be visited at  Lots of information there.


Practice areas


  1. Employment: 40%
    31 years, 200 cases
  2. Lawsuits & Disputes: 20%
    36 years, 200 cases
  3. Business: 20%
    36 years, 200 cases
  4. Appeals: 10%
    26 years, 10 cases
  5. Contracts: 10%
    36 years, 200 cases



Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

9 total 

Are you an attorney? Endorse this lawyer

  • Hovanes Margarian

    I endorse this lawyer.


    Hovanes Margarian Consumer protection Attorney
    Relationship: Fellow lawyer in community

  • Kristine S Karila

    I endorse this lawyer. Mr. Tonsing is an excellent attorney who will fight for his clients.


    Kristine Karila Employment and labor Attorney
    Relationship: Fellow lawyer in community

Contact info

Tonsing Lawfirm

353 Sacramento Street, Suite 1140
San Francisco, CA, 94111


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Shaw Award for best Ch. in US (while I was chapter president)Federal Bar Association1984
Tom C. Clark Award (to top fellow each term)U. S. Supreme Court Fellows Commission1980
Work experience
TitleCompany nameDuration
Of CounselTuttle Law Office, San Francisco2010 - Present
Assistant U.S. AttorneyUnited States Attorney's Office, San Francisco1981 - 1984
Supreme Court FellowUnited States Supreme Court1980 - 1981
Administrative Law JudgeCA Public Employment Relations Board1977 - 1980
Association namePosition nameDuration
Federal Bar Association (California chapter)Member, past president1981 - Present
Federal Bar Association (California chapter)Ninth Circuit Vice President (2 terms, each 4 years)1984 - 1988
Legal cases
Case nameOutcome
U.S. v. Gavilan Joint Community College Dist. United States Court of Appeals, 9th Circuit (1988) 849 F.2d 1246Reversed and remanded as client won attorney's fee reimbursement
Anthony v. Basic American Foods, Inc. United States District Court, N.D. California. 1984 600 F.Supp. 352117 L.R.R.M. (BNA) 3099Prevailed
Automatic Plastic Molding, Inc. v. U.S. United States Court of International Trade (2002) 26 C.I.T. 1201Client prevailed
See all legal cases 
Publication nameTitleDate
The Federal LawyerThe Federal Lawyer in Cyberia (Column)2013
The Federal LawyerFederal Lawyer in Cyberia (Column Ten Times Annually)2012
The Federal LawyerFederal Lawyer in Cyberia (Column Ten Times Annually)2011
School nameMajorDegreeGraduated
University of San Francisco School of LawLawJD - Juris Doctor1975
Claremont Graduate UniversityPolitical Philosophy/GovernmentMA - Masters1970
St Mary's College of CaliforniaPolitical ScienceOther - Bachelors1965
Speaking engagements
Conference nameTitleDate
Choosing a LawyerChoosing a Lawyer2010
Bay Area Conference (Pleasanton)Civil Procedure in Three Hours2010
State Bar of California Annual Mtg., San DiegoLitigation support software (panel moderator)2005
Witkin Annual Lecture“Technology: Tool for Ethical Compliance or Trap for the Ethically Challenged?”2004