O’Donnell, Weiss & Mattei, P.C.

Joseph K. Koury


  • Co-Chair of OWM Law’s Business Law Practice Group.
  • Former Delaware Judicial Law Clerk.
  • Highly-qualified corporate attorney with 20+ years of experience in corporate, tax and real estate law. 
  • Advises a broad spectrum of corporate clients and businesses in a variety of matters, including:
    • Mergers and acquisitions, joint ventures, affiliations and tax structures, and he possesses experience in commercial litigation. 
  • Described as extremely responsive, with excellent communication skills, and enjoys working as part of a team. 
  • Assists both business and non-profit (tax exempt) organizations with a wide variety of:
    • operational issues and compliance with federal, state and local regulatory requirements, including, but not limited to, federal income tax exemption and state sales tax exemption. 
  • Reviews and negotiates assorted real estate documents ranging from purchase and sale agreements and simple real estate leases to more complex commercial leases and commercial purchase and sale agreements.  
  • Title agent licensed by the Pennsylvania Insurance Department, who regularly conducts commercial and residential real estate closings for clients.

Client Testimonial:

“Everything went smooth. I’d like to thank you all for your assistance and efforts in getting this deal done. I appreciate it!”  -Bryan L.

Peer Talk/Review:

“Clients benefit from his low drama and erudite approach to legal issues.”- Dave Megay

Quote I live by:

“Ain’t wastin’ time no more, ’cause time goes by like hurricanes, and faster things…”  -Gregg Allman


Education & Credentials:

  • Villanova University School of Law, Villanova, Pennsylvania
    • LL.M., Taxation
  • Widener University School of Law, Wilmington, Delaware
    • J.D.
  • Dickinson College
    • B.A.
    • Major: English
  • Bar Admission
      • Pennsylvania, 2002

Licenses and Certifications:

  • Title Agent Licensed by the Pennsylvania Insurance Department


(P) 610-323-2800



Professional Associations:

  • Montgomery Bar Association

Pro-Bono Activities:

  • Member, Phoenixville Library Board of Trustees
  • Solicitor, TriCounty Area Chamber of Commerce Board of Directors
  • 2010 Graduate, Leadership Tri-County Program of the Tri-County Area Chamber of Commerce Foundation, Inc.


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