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About me

Areas of focus: Patent preparation and prosecution related to medical devices and mechanical technologies, counseling, licensing and enforcement; due diligence studies; and opinions regarding infringement, validity and enforceability of patents.  Mr. Crawford has extensive experience preparing and prosecuting patent applications in a wide variety of arts. He conducts freedom-to-operate, infringement and validity studies, prepares and negotiates licenses and other agreements, and prosecutes trademark and copyright applications.


Practice areas


  1. Intellectual Property: 37%
    23 years, 500 cases
  2. Patent Application: 36%
    23 years, 450 cases
  3. Patent Infringement: 15%
    23 years
  4. Licensing: 5%
    23 years
  5. Other: 7%
  6. More 

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Contact info

100 N. Broadway #1700
St. Louis, MO, 63102-2709


MOGood Standing, Active199401/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Golden Anniversary FellowSt Louis Bar Foundation2006
Distinguished FellowSt Louis Bar Foundation2001
Law ReviewSalmon P Chase College of Law1992
Ravencraft AwardSalmon P Chase College of Law1991
Tau Beta PiThe Ohio State University1982
Pi Tau SigmaThe Ohio State University1981
TexnikoiThe Ohio State University1981
Work experience
TitleCompany nameDuration
PartnerSenniger Powers LLP2008 - Present
PartnerSonnenschein Nath & Rosenthal2003 - 2008
PartnerSenniger Powers Leavitt & Roedel1995 - 2003
AssociateRogers Howell & Haferkamp1993 - 1995
Association namePosition nameDuration
American Bar AssociationMember1995 - Present
National Conference of Bar PresidentsExecutive Council2009 - 2011
Bar Association of Metropolitan St. LouisPresident2008 - 2009
Metropolitan Bar CaucusExecutive Committee2008 - 2011
St Louis Bar FoundationDirector2007 - 2011
Rotary Club of Des PeresPresident2002 - 2003
American Society of Mechanical EngineersSt Louis Section Chair2000 - 2001
Engineers Club of St LouisDirector1997 - 1999
Publication nameTitleDate
Saint Louis LawyerBAMSL Year an Unconditional Success2009
St. Louis Bar JournalDear Young Lawyer2009
Saint Louis LawyerBAMSL Helping in Economic Crises2009
Saint Louis LawyerJustice Sandra Day O'Connor,2009
Saint Louis LawyerBAMSL Staying at Home2009
St. Louis Bar JournalAn Historical Perspective2009
Saint Louis LawyerOur Two Annual Holiday Parties2008
Saint Louis LawyerPursuing Fiscal Responsibility2008
Saint Louis LawyerIntroducing Two New Valuable Member Benefits2008
St. Louis Bar JournalLawyer Addiction and Depression2008
St. Louis Bar JournalGreening of the Law2008
Saint Louis LawyerThe First 100 Days or So2008
Saint Louis LawyerHe's Not a Real Lawyer; He's a Patent Lawyer2008
Saint Louis LawyerRule of Law2008
Saint Louis LawyerPro Bono2008
Saint Louis LawyerUnity and Inclusiveness2008
St. Louis Bar JournalProtecting Trademarks and Copyrights on the Internet1997
School nameMajorDegreeGraduated
Northern Kentucky University, Salmon P. Chase College of LawLawJD - Juris Doctor1993
University of CincinnatiEngineeringMS - Master of Science1987
Ohio State UniversityMechanical EngineeringBS - Bachelor of Science1983