Arden J. Olson

John Schultz focuses on environmental, natural resources, federal Indian, and occupational safety and health law. For more than 25 years he has advised manufacturers, real estate developers, lending institutions, municipalities, tribal governments, and energy project developers regarding compliance with federal, state, and local environmental and occupational safety and health laws. He has extensive experience regarding federal and state Superfund, solid and hazardous waste, air, process/stor...

Chip Horner’s law practice focuses on defending medical negligence lawsuits, including high exposure birth trauma claims, ophthalmology, autism, failure to diagnose cancer, wrongful death and surgical matters. He is experienced in all aspects of health law. Chip’s clients range from large integrated health systems to solo practitioners, nurses, midwives, dentists, and many different allied health professionals. Chip also represents clients before licensing boards in Oregon and Was...

Jenna L. Mooney is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jenna L., who practices law in Portland, Oregon, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jenna L. is held by other top lawyers in the same geographic and legal practice area.

Scott M. Rickard is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Scott M., who practices law in Portland, Oregon, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott M. is held by other top lawyers in the same geographic and legal practice area.

Julie Smith is an appellate lawyer who also specializes in advising trial attorneys on litigation strategy and in drafting and arguing complex motions. Before joining Cosgrave, she served as an Assistant Attorney General in the Trial and Appellate Divisions of the Oregon Department of Justice, where she twice received the department’s Outstanding Achievement Award. Prior to that, she clerked for the Honorable Virginia Linder of the Oregon Court of Appeals. Appellate services include: Re...

Paul C. Buchanan is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals, Employment Law - Management and Labor Law - Management. Paul C., who practices law in Portland, Oregon, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul C. is held by other top lawyers in the same geographic and legal practice area.

Marjorie A. Elken is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Real Estate and Litigation - Trusts and Estates. Marjorie A., who practices law in Portland, Oregon, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marjorie A. is held by other top lawyers in the same geographic and legal practice area.

Andrew Altschul mediates and arbitrates employment, ERISA and other civil litigation disputes. He practiced labor and employment law at two of the country’s largest law firms before opening his own employment law boutique in 2004 and co-founding Buchanan Angeli Altschul & Sullivan LLP in 2008, where he served as managing partner for 18 years. He is an approved arbitrator and mediator for the American Arbitration Association, Arbitration Service of Portland, and NAM (National Arbitra...

Robert R. Calo is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Robert R., who practices law in Lake Oswego, Oregon, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert R. is held by other top lawyers in the same geographic and legal practice area.

Kelly R. Tilden is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Kelly R., who practices law in Portland, Oregon, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kelly R. is held by other top lawyers in the same geographic and legal practice area.