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About me

Patrick McDonnell lives in Buffalo, NY and practices law throughout Western New York.  He practices in the areas of criminal defense, divorce and separation, custody/visitation/child support, real estate, personal injury and drafts wills and other estate documents.


He earned his Bachelor of Science from the State University College of New York at Buffalo, his Master of Arts from John Jay College of Criminal Justice in New York City, and his law degree from Albany Law School of Union University.


He is the father of three children.  His oldest daughter graduated from Georgetown University and is presently teaching in Germany on a Fulbright Scholarship.  His second daughter will be graduating from the University of Michigan  and his son is a junior at Syracuse University.


Prior to becoming a lawyer, Mr. McDonnell spent 20 years as a New York State Police officer, working throughout almost every area of the state.  He was also a SCUBA diver and defensive tactics instructor for the State Police, retiring at the rank of lieutenant.  He is a graduate of the FBI National Academy and served in the United States Coast Guard Auxiliary.  Furthermore, he is a martial arts expert and once traveled to Korea in 1996 as a member of the U.S. Cup Team to compete against the Korean Team.  In addition to this extensive background, Mr. McDonnell is also an accomplished musician who plays the trumpet.


Mr. McDonnell is also licensed to practice law in Ontario, Canada where he was Called to the Bar in June of 2012 at the induction ceremony in Toronto, Ontario.


He is a very compassionate, intelligent, experienced trial lawyer who gives 100 percent to solve the problems of his clients.




Practice areas


  1. Criminal Defense: 45%
  2. Divorce: 15%
  3. Speeding Ticket: 15%
  4. DUI & DWI: 15%
  5. Wills: 10%



Free consultation (60 minutes)

Attorney endorsements

1 total 

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  • Dominic H. Saraceno

    I endorse this lawyer. Mr. McDonnell is a tremendous advocate and one of the best lawyers in the profession. He fights relentlessly for his clients and always receives great results.


    Dominic Saraceno Divorce and separation Attorney
    Relationship: Fellow lawyer in community

Contact info

he McDonnell Law Firm, PLLC

5500 Main Street.
Suite. 216
Williamsville, NY, 14221


NYDue to reregister within 30 days of birthday 200403/07/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Association namePosition nameDuration
American Bar AssociationMemberN/A
New York State Bar AssociationMemberN/A
Bar Association of Erie CountyMemberN/A
Association of Trial Lawyers of AmericaMemberN/A
New York State Trial Lawyers AssociationMemberN/A
New York State Defenders AssociationMemberN/A
School nameMajorDegreeGraduated
Albany Law School of Union UniversityLawJD - Juris Doctor2003
City University of New York, John Jay College of Criminal JusticeCriminal JusticeMA - Masters1992
State University of New York, College at Buffalo (Buffalo State College)N/ABS - Bachelor of Science1984
Speaking engagements
Conference nameTitleDate
Live talk radio - WNED-AM' Law Line ShowSearch and Seizure - 4th Amendment Rights2010