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About Me

Mr. Armstrong has developed a practice in the areas of major commercial litigation, including securities fraud and other shareholder and breach of fiduciary duty claims, oil and gas, intellectual property, employment, and general contract litigation. He has represented clients in major class actions and False Claims Act cases. Mr. Armstrong enjoys Martindale-Hubbell Law Directory’s highest "AV" rating for lawyers and is listed in The Best Lawyers in America®, Missouri & Kansas Super Lawyers®, and Chambers USA as a leading general commercial litigation attorney in the United States. In 2013, he was named the Wichita Bet-the-Company Litigation Lawyer of the Year by The Best Lawyers in America®.


Practice Areas


  1. Litigation: 34%
  2. Appeals: 33%
  3. Employment & Labor: 33%

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Contact Info

Foulston Siefkin, LLP

1551 N Waterfront Pkwy #100
Wichita, KS, 67206-4466


KSAuthorized to practice law197608/09/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Star LawyerBenchmark Litigation2015
Star LawyerBenchmark Litigation2014
Lawyer of the YearBest Lawyers2013
ListedBest Lawyers in AmericaN/A
ListedSuper LawyersN/A
ListedChambers USAN/A
AV RatedMartindale-HubbellN/A
Association NamePosition NameDuration
American Bar Association, Litigation SectionMemberN/A
Kansas Bar AssociationMemberN/A
Wichita Bar AssociationMemberN/A
Kansas Association of Defense CounselMemberN/A
School NameMajorDegreeGraduated
University of Kansas School of LawLawJD - Juris Doctor1976
Pennsylvania State UniversityN/AMA - Masters1972
University of KansasN/ABA - Bachelor of Arts1970
Speaking Engagements
Conference NameTitleDate
Ethics Seminar for Corporate Counsel, Overland ParkPanel Discussion: “Waiving” Goodbye to the Attorney-Client Privilege2012
Kansas Bar AssociationDiscovery Issues & Techniques in Commercial & Complex Litigation1995