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George T. ("Tim") McDonnell

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George T. ("Tim") McDonnell is a litigation partner in our Los Angeles office, where his practice focuses on real estate disputes, construction litigation, and commercial litigation. As the senior litigator in the Allen Matkins' lease dispute practice, Tim has extensive experience representing both landlords and tenants in all types of lease disputes, including those related to retail and commercial leases, and disputes involving unlawful detainer, fraud, and breach of lease agreements. He has tried or arbitrated lease disputes involving noncompetition provisions, exercise of options to extend and continuous operating covenants, as well as other breach of lease claims, including, of course, actions for failure to pay rent and unlawful detainer.

Additionally, Tim represents owners, contractors, lenders, architects, and subcontractors in general construction litigation. From representing a hotel development in a multi-forum (state court, bankruptcy court, and AAA arbitration) construction case involving more than 50 parties, a 120-day plus arbitration and two 10-day court trials, to representing owners, contractors, architects, and engineers in all manner of construction defect, breach of contract, mechanics liens, design, and delay claims, he has more than 30 years of experience in handling these multi-party, multi-issue complex cases to successful resolutions on behalf of his clients.

Tim also handles commercial disputes relating to breach of partnership agreements, fiduciary duty and misappropriation of funds. He represents clients in basic real estate litigation ranging from lien priority, easement, lot line, and encroachment issues to marketability of title or other title defect cases. Finally, Tim represents lenders and receivers in enforcing their rights under loan agreements, promissory notes, and deeds of trust. 

In addition to his full-time litigation practice, Tim is the Managing Partner of the Los Angeles office. He has lectured frequently to Bar and Business organizations.


  • Los Angeles County Bar Association
  • California Lawyers Association, Real Property Section, Southern California Litigation Subsection, past chair


Tim received his J.D. from the University of California, Hastings College of the Law, in 1979 where he was Order of the Coif and a member of the Thurston Society. He received his B.A., cum laude, from the University of California, Los Angeles in 1976.

Bar Admissions

  • California