Adele J. Ridenour


Markowitz Herbold PC
1455 SW Broadway
Suite 1900
Portland, OR 97201

Tel: 503-295-3085


Adele is a trial lawyer who focuses on complex commercial litigation and construction, insurance, and design-related disputes. She also advises educational institutions regarding Title IX, including Title IX analysis regarding school facilities and new construction.

Adele is the current President of Oregon Women Lawyers (OWLS) and is a member of the Multnomah, Washington, and Clackamas County bar associations. She also serves as an arbitrator for court-annexed mandatory arbitrations in Multnomah and Washington Counties in Oregon.

She has been selected to the Oregon Super Lawyers list since 2013. Since 2021, she has been named by Oregon Super Lawyers as one of the Top 25 Women Lawyers in Oregon, and both in 2022 and 2023, honored as one of the Top 50 attorneys overall in the State of Oregon. She has also been listed in The Best Lawyers in America for Litigation – Construction since 2018.

Notable Trials and Arbitrations:

• Craghead v. New Era Homes, LLC, et al., Deschutes County Circuit Court (Dec. 2020): first-chaired a court-annexed arbitration involving a residential construction defect claim. The arbitration resulted in a decision in favor of the plaintiffs for their full prayer.

• Farmworker Housing Development Corporation v. Reliable Siding & Construction, LLC, Polk County Circuit Court (April 2019): first-chaired a construction defect jury trial on behalf of an affordable housing developer/non-profit organization.

• Dahl v. Newside, Washington County Circuit Court (Feb. 2016): first-chaired an eight-day construction defect jury trial on behalf of four separate residential homeowners. The trial resulted in a jury verdict of several orders of magnitude above the defendant’s last pre-trial offer.

 Funk v. Landvik, et al., Powers County Circuit Court, American Falls, Idaho (Dec. 2015): first-chaired a three-day bench trial on an issue of first impression involving requirements under Idaho’s Notice & Opportunity to Cure Act where the homeowner sought to make repairs pre-litigation.

• Association of Unit Owners of Q Condominiums v. Superior Plastering, Washington County Circuit Court (Feb. 2013): co-chaired a three-week jury trial in Washington County on behalf of a 62-unit condominium association. The trial resulted in a jury verdict exceeding the plaintiff’s pre-trial demand.

  • Recipient, Award of Merit, Multnomah Bar Association, 2023
  • President, Oregon Women Lawyers, 2023 – 2024
  • Top 50 Attorneys in Oregon, SuperLawyers, 2022, 2023; Top 25, Oregon Women Lawyers, Super Lawyers, 2021 – present
  • Top Construction Litigation Attorneys, Super Lawyers, 2013 – present
  • Best Lawyer, Best Lawyers in America,  2018 – present
  • President-Elect, Oregon Women Lawyers, 2022-2023
  • Graduate, Markowitz Herbold Women’s Trial Academy, 2016
  • Oregon Super Lawyers “Rising Stars” list, 2012
  • 2015 Young Lawyer of the Year by the Construction Defect & Dispute Conference Northwest Region
  • 2015 Runner-Up, Portland Business Journal’s “Forty Under 40”
  • Selected as “Top 40 Under 40 Litigation Lawyers” by the American Society of Legal Advocates, 2014 – 2015
  • Recipient, 2014 Outstanding Young Alumnus Award, University of Oregon School of Law
  • Member, Oregon Asian Pacific American Bar Association (OAPABA)
  • Member, Oregon Minority Lawyers Association (OMLA)
  • Member, Oregon Trial Lawyers Association (OTLA)
  • Member, Oregon Filipino American Lawyers Association (OFALA)


  • University of Oregon School of Law — J.D., Managing Editor, Oregon Review of International Law, 2004
  • Gonzaga University — B.A., Political Science, 2001, cum laude


  • Oregon
  • Idaho
  • Utah
  • Washington

Markowitz Herbold is a litigation law firm that tries high-stakes business disputes for individuals, companies and state, local and regional governments, to juries, judges and arbitrators. We are known by our peers for resolving complicated and challenging cases.

The firm is based in Portland, Oregon, and our lawyers practice before state and federal trial courts in the Northwest and across the country.

We have a stellar reputation and the reason is simple – our people. Our lawyers and staff are known for their superior litigation skills, commitment to excellence, and passion for client service. It’s why our clients say we are “singularly amazing.” More than 25 percent of our lawyers are listed in Best Lawyers in America, more than half have been recognized by Super Lawyers, and half served as federal court or state appellate judicial law clerks.

Since our founding in 1983, we have grown into a formidable, cohesive litigation team. We cover all the bases in business litigation. Our trial and advocacy skills are second to none. Experienced specialists handle research and writing, and it shows in the strength of our arguments and the quality of our briefs.