Founded in 1991 by Dennis Wilenchik and Becky Bartness, the law firm of Wilenchik and Bartness provides high level litigation services to a select group of clients. The firm also provides commercial arbitration/mediation services.
Dennis Wilenchik is rated Martindale-Hubbell AV®-Preeminent™, the highest rating available under the Martindale Hubbell rating system, and he is listed in the national Bar Register of Preeminent Lawyers. Mr. Wilenchik is a nationally certified civil trial and pre-trial specialist with the National Board of Trial Advocacy and is licensed in all Arizona and Texas state and federal courts, New York state courts, the Ninth Circuit Court of Appeals and the United States Supreme Court. Becky Bartness is rated Martindale-Hubbell AV®-Preeminent™ and is listed in the Bar Register of Preeminent Women Lawyers. She was a real estate specialist for over 15 years and also practices commercial arbitration and mediation. Ms. Bartness is licensed to practice law in all Arizona state and federal courts and the Ninth Circuit.
12/13/2016 Arizona Supreme Court Accepts Review in Horne v. Polk
The Arizona Supreme Court has granted a petition for review that was filed on behalf of Thomas C. Horne by Dennis I. Wilenchik of Wilenchik & Bartness and Timothy LaSota of Tim LaSota, PLC. A copy of the Petition that was granted can be found here. The case [...]
12/08/2016 Senators Flake and Feinstein Introduce Bill to Protect Child Witnesses
United States Senators Jeffry Flake (R-Arizona) and Dianne Feinstein (D-California) have introduced legislation to prevent self-represented defendants in sexual assault cases from personally cross-examining their own child victims. Jack Wilenchik, an attorney at Wilenchik & Bartness, P.C. drafted the initial legislation based on a UNESCO model law (
07/20/2016 WB Title Insurance Case Reaches Arizona Supreme Court
July 20, 2016 – WB finds itself in the thick of things when it comes to establishing new law in Arizona on the calculation of damages for claims against a title insurer for the diminution of value of property caused by an existing defect in the title that the insurer [...]
03/21/2016 Over a Dozen National and State Child Victim’s Rights Groups File in Support of Petition for Certiorari
Over a dozen national and state victim’s rights groups and children’s rights groups have filed in support of the Petition for Certiorari in the U.S. Supreme Court case of M.A. v. Padilla, No. 15-1049. Jack Wilenchik of Wilenchik & Bartness, P.C. filed the
02/25/2016 Dennis Wilenchik Comments on Ruling in Horne v. Polk
Dennis Wilenchik represents former Attorney General Tom Horne in the case. Mr. Wilenchik made the following statement with respect to the Court of Appeals’s recent decision:
“Our intention is to petition for review to the Arizona Supreme Court and/or to bring the matter to the attention of the federal courts on the basis of [...]
02/11/2016 Firm Files Petition to United States Supreme Court
The mother of a victim of accused child molester Christopher Simcox today filed a Petition for the United States Supreme Court to intervene and prevent Simcox, who is acting as his own lawyer, from personally questioning the child victims in court, which includes her daughter. (A copy of the Petition for Writ [...]
12/22/2015 Firm Obtains Dismissal of Lawsuit against AJ LaFaro
Dennis Wilenchik successfully obtained a dismissal of the defamation lawsuit filed against former Maricopa County Republican Party Chairman A.J. LaFaro.
06/01/2015 Wilenchik & Bartness Files Petition for Review on behalf of Victim in Chris Simcox Matter
Jack Wilenchik of Wilenchik & Bartness, P.C., filed the Petition, a copy of which can be viewed here.
The firm is handling the matter pro bono, in the interests of justice.
04/23/2015 Dennis Wilenchik Moderates Construction Defect Seminar on the Amended Purchaser Dwelling Act
Dennis Wilenchik moderated the discussion of AZ House Bill 2578 (Right to Repair) at the MC Consultants 2nd Annual Construction Defect Seminar, held by MC Consultants, Inc. at the Embassy Suites in Biltmore on April 23, 2015. All sectors of the construction industry were in attendance, [...]
04/20/2015 Dennis Wilenchik Named Best Trial Lawyer by Arizona Foothills Magazine 2015
Dennis Wilenchik was named “Best Trial Lawyer” by Arizona Foothills Magazine’s annual “Best Of” edition 2015. A copy of the feature can be found here.