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About me

Mr. Roedel engages in a wide ranging intellectual property practice, including litigation, chemical patent preparation and prosecution, and antitrust cases. He has developed substantial expertise in chemical and chemical engineering patent matters, both organic and inorganic. His prosecution, counseling and litigation practice has ranged over an exceptional wide range of chemical and chemical engineering subject matter including organic synthesis, catalysis, electrochemistry, polymers, protein chemistry, immunoassays, chromatography, sulfuric acid technology, chemical engineering separations and process design, process control, photochemistry and lithography.


Practice areas


  1. Intellectual Property: 100%

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Contact info

100 N. Broadway, 17th Fl.
St. Louis, MO, 63102-2733


MOGood Standing, Active196901/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Best Lawyers in AmericaBest Lawyers in America2011
Intellectual Property Lawyer of the Year--St. Louis MOBest Lawyers in America2011
Best Lawyers in AmericaBest Lawyers in America2010
Best Lawyers in AmericaBest Lawyers in America2009
Best Lawyers in AmericaBest Lawyers in America2008
Best Lawyers in AmericaBest Lawyers in America2007
Peer Review RatedMartindale-HubbellN/A
Work experience
TitleCompany nameDuration
PartnerSenniger Powers LLP1969 - Present
Association namePosition nameDuration
Missouri BarN/AN/A
American Bar AssociationN/AN/A
Bar Association of Metropolitan St. LouisN/AN/A
American Institute of Chemical EngineersN/AN/A
Publication nameTitleDate
BNA's Patent, Trademark & Copyright JournalA Sow's Ear; Importance of Patent Quality After KSR2007
Missouri Bar JournalIntellectual Property Due Diligence1997
School nameMajorDegreeGraduated
Saint Louis University School of LawLawJD - Juris Doctor1969
University of Notre DameChemical EngineeringBS - Bachelor of Science1959
Speaking engagements
Conference nameTitleDate
USPTO Roundtable Discussion, Los AngelesPatent Quality2010