Jonathan Henderson

senior appellate counsel | portland | LICENSED IN Oregon

“I believe an attorney should be able to successfully make complex legal arguments, but also be able to successfully explain those arguments to the client in plain English.”

Explaining the law in plain English

Jonathan specializes in civil appeals, and handles appellate matters involving a wide range of issues. He also has years of experience arguing motions in Oregon trial courts around the state.

Jonathan has handled dozens of appellate matters in the Oregon and Washington courts of appeal, the Oregon Supreme Court and the Ninth Circuit Court of Appeals, receiving favorable published decisions from each. He was drawn to Davis Rothwell for the breadth of experience it offers, as well as the people-oriented atmosphere.

Jonathan was born in Eugene, Oregon, and raised on a farm in a rural area of the Willamette Valley. He spends his free time reading, gardening, cooking, traveling, and spending time with his family.




  • Willamette University College of Law – J.D., cum laude, 2006
  • Portland State University – B.A. Philosophy, 2003

Bar / Court Admissions

  • Oregon State Bar, 2006
  • United States District Court for the District of Oregon, 2007
  • United States Court of Appeals for the Ninth Circuit, 2007
  • Washington State Bar, 2018

Professional & Civic Involvement

  • Frequent presenter at Continuing Legal Education classes on a variety of legal issues

Firm News

Organizational Memberships

  • Member, Executive Committee of the Oregon State Bar Appellate Practice Section
  • Case Notes Editor, Oregon Association of Defense Counsel quarterly, The Verdict

Representative Cases

  • Walla Walla College v. Ohio Cas. Ins. Co., 149 Wash. App. 726, 204 P.3d 961 (2009) (insurance coverage action for environmental injuries)
  • Gilbert v. Stancorp Financial Group Inc., 233 Or. App. 57, 225 P.3d 71 (2009) (setting aside default judgment entered before counsel was retained)
  • Capitol Specialty Ins. Corp. v. Chan & Lui, Inc., 248 Or. App. 674, 274 P.3d 238 (2012) (insurance coverage dispute where insureds sought retroactive coverage)
  • Sunset Presbyterian Church v. Brockampt & Jaeger, Inc., 254 Or. App. 24, 295 P.3d 62 (2012) (construction defect statute of limitations repose)
  • PIH Beaverton, LLC v. Super One, Inc., 254 Or. 486, 294 P.3d 536 (2013) (statute of ultimate repose for third party claims)
  • Classen v. Arete Northwest, 254 Or. App. 216, 294 P.3d 520 (2012) (claims alleging spoliation of evidence)
  • Chapman v. Mayfield, 263 Or. App. 528, 329 P.3d 12 12 (2014) (dismissal of negligence claim alleging service of alcohol caused a shooting rampage)
  • Liberty Oaks Homeowners’ Assoc. v. Liberty Oaks, LLC, 267 Or. App. 401, 341 P.3d 109 (2014) (secured dismissal of appeal as moot in multimillion-dollar construction defect lawsuit)
  • Knappenberger v. Davis-Stanton, 271 Or. App. 14, 351 P.3d 54 (2015) (secured reversal of trial court ruling granting judgment notwithstanding verdict to client’s adversary after jury returned verdict in favor of the client)
  • Chapman v. Mayfield, 358 Or 96, __P3d__ (2015) (affirming the Court of Appeals, which affirmed trial court’s dismissal of negligence claims against client where plaintiff alleged client had caused a patron to go on a shooting spree after being served alcohol)
  • Masood v. Safeco, 275 Or App 315, __P3d__ (2015) (affirming trial court’s grant of summary judgment in our client’s favor)

Notable Trial & Appellate Victories

  • Chapman v. Mayfield, 358 Or 96, __P3d__ (2015) (in affirming the Court of Appeals, the Supreme Court issued a defense-friendly decision limiting common law negligence claims based on the element of foreseeability)
  • Knappenberger v. Davis-Stanton, 271 Or. App. 14, 351 P.3d 54 (2015) (reversed the trial court’s grant of JNOV to client’s adversary, and in so doing, ruled that the trial court erred in its analysis regarding the dormant Commerce Clause of the US Constitution)