 
Senior Circuit Judge
9th U.S. Circuit Court of Appeals
Oregon - Portland
   
Assumed senior status, 2016; appointed by President Ronald Reagan to the 9th U.S. Circuit Court of Appeals, 1986; chairman, Advisory Panel to the Secretary of the U.S. Department of Energy, 1983-85; team leader, President's Private Sector Survey on Cost Control (Grace Commission), 1982-83; consultant, Office of the President-Elect of the United States (Reagan), 1980-81; director, Oregon Department of Environmental Quality, 1973-74; public utility commissioner, State of Oregon, 1971-73; deputy attorney general, State of Oregon, 1969-71; private practice, Portland, Oregon, 1965-69, 1975-86; tax attorney, Standard Oil Company of New Jersey and New York City, 1963-1965; U.S. Army Reserve, JAG Corps, 1955-78
Harvard Law School, 1963
| Title | Court | Published | 
|---|---|---|
| The US Supreme Court’s best penpal | 9th U.S. Circuit Court of Appeals (Portland, Oregon) | Jun. 25, 2019 | 
| Diarmuid Fionntain O'Scannlain | 9th U.S. Circuit Court of Appeals (Portland) | Apr. 1, 2010 | 
| Case | Category | Published | 
|---|---|---|
| Puget Soundkeeper Alliance v. Port of Tacoma concurring | Environmental Law | Jun. 10, 2024 | 
| Amending Order: Valley Hospital Medical Center, Inc. v. National Labor Relations Board concurring | Labor Law | May 6, 2024 | 
| Valley Hospital Medical Center, Inc. v. National Labor Relations Board concurring | Labor Law | Feb. 20, 2024 | 
| National Labor Relations Board v. Valley Health System LLC author | Labor Law | Feb. 20, 2024 | 
| Allied Premier Ins. v. United Financial Casualty Co. reversed | Insurance | Jul. 24, 2023 | 
| Federal Trade Commission v. Hewitt author | Civil Procedure | May 11, 2023 | 
| California Restaurant Association v. City of Berkeley concurring | Environmental Law | Apr. 17, 2023 | 
| Yamashita v. LG Chem, Ltd. author | Civil Procedure | Mar. 6, 2023 | 
| Bliss Sequoia Insurance & Risk Advisors Inc.  v. Allied Property & Casualty Insurance Co. dissenting | Insurance | Oct. 27, 2022 | 
| Amended Opinion: U.S. v. Briones author | Criminal Law and Procedure | Jun. 2, 2022 | 
| U.S. v. McCarron author | Criminal Law and Procedure | Apr. 19, 2022 | 
| ICTSI Oregon v. International Longshore and Warehouse Union author | Civil Procedure | Jan. 19, 2022 | 
| U.S. v. Briones author | Criminal Law and Procedure | Dec. 7, 2021 | 
| In re Nichols author | Bankruptcy | Sep. 2, 2021 | 
| AMG Capital Management, LLC v. FTC reversed and remanded | statutory_interpretation | Apr. 23, 2021 | 
| Young v. State of Hawaii dissenting | Civil Rights | Mar. 25, 2021 | 
| Lewis v. U.S. author | Criminal Law and Procedure | Jan. 26, 2021 | 
| America Unites for Kids v. Rousseau dissenting | Environmental Law | Jan. 25, 2021 | 
| Revitch v. DIRECTV LLC concurring | Arbitration | Oct. 1, 2020 | 
| Demartini v. Demartini author | Civil Procedure | Jul. 7, 2020 | 
| The Democratic National Committee v. Hobbs dissenting | Civil Rights | Jan. 28, 2020 | 
| Kim v. U.S. author | Torts | Oct. 11, 2019 | 
| Flynt v. Shimazu author | Civil Procedure | Oct. 8, 2019 | 
| Poursina v. USCIS author | Immigration | Aug. 29, 2019 | 
| U.S. v. Shayota concurring | Criminal Law and Procedure | Aug. 20, 2019 | 
| U.S. v. Evans author | Criminal Law and Procedure | Jul. 10, 2019 | 
| Herrera v. City of Palmdale author | Civil Rights | Mar. 21, 2019 | 
| FTC v. AMG Capital Management author | Consumer Law | Dec. 4, 2018 | 
| Maquiz MacDonald v. Hedgpeth dissenting | Criminal Law and Procedure | Nov. 6, 2018 | 
| U.S. v. Henderson author | Criminal Law and Procedure | Oct. 24, 2018 | 
| Young v. State of Hawaii author | Constitutional Law | Jul. 25, 2018 | 
| Patricia Campbell v. Edu-HI author | Civil Rights | Jun. 12, 2018 | 
| Pike v. Hester dissenting | Qualified Immunity | Jun. 7, 2018 | 
| U.S. v. Briones dissenting | Criminal Law and Procedure | May 17, 2018 | 
| Echlin v. PeaceHealth author | Consumer Law | Apr. 18, 2018 | 
| Friends of Animals v. U.S. Fish and Wildlife Service author | Animal Law | Jan. 11, 2018 | 
| USA v. Valdivia-Flores author | Immigration | Dec. 8, 2017 | 
| Howard v. City of Coos Bay author | Civil Procedure | Sep. 26, 2017 | 
| Robins v. Spokeo Inc. author | Constitutional Law | Aug. 16, 2017 | 
| ILWU v. ICTSI Oregon author | Antitrust | Jul. 25, 2017 | 
| Demetris v. Transport Workers Union of America, AFL-CIO author | Labor Law | Jul. 6, 2017 | 
| U.S. v. Perez-Silvan author | Criminal Law and Procedure | Jun. 29, 2017 | 
| U.S. v.  Calvillo-Palacios author | Criminal Law and Procedure | Jun. 29, 2017 | 
| Guido v. Mount Lemmon Fire District author | Administrative Agencies | Jun. 19, 2017 | 
| Title | Court | Published | 
|---|---|---|
| The US Supreme Court’s best penpal | 9th U.S. Circuit Court of Appeals (Portland, Oregon) | Jun. 25, 2019 | 
| Diarmuid Fionntain O'Scannlain | 9th U.S. Circuit Court of Appeals (Portland) | Apr. 1, 2010 | 
| Case | Category | Published | 
|---|---|---|
| Puget Soundkeeper Alliance v. Port of Tacoma concurring | Environmental Law | Jun. 10, 2024 | 
| Amending Order: Valley Hospital Medical Center, Inc. v. National Labor Relations Board concurring | Labor Law | May 6, 2024 | 
| Valley Hospital Medical Center, Inc. v. National Labor Relations Board concurring | Labor Law | Feb. 20, 2024 | 
| National Labor Relations Board v. Valley Health System LLC author | Labor Law | Feb. 20, 2024 | 
| Allied Premier Ins. v. United Financial Casualty Co. reversed | Insurance | Jul. 24, 2023 | 
| Federal Trade Commission v. Hewitt author | Civil Procedure | May 11, 2023 | 
| California Restaurant Association v. City of Berkeley concurring | Environmental Law | Apr. 17, 2023 | 
| Yamashita v. LG Chem, Ltd. author | Civil Procedure | Mar. 6, 2023 | 
| Bliss Sequoia Insurance & Risk Advisors Inc.  v. Allied Property & Casualty Insurance Co. dissenting | Insurance | Oct. 27, 2022 | 
| Amended Opinion: U.S. v. Briones author | Criminal Law and Procedure | Jun. 2, 2022 | 
| U.S. v. McCarron author | Criminal Law and Procedure | Apr. 19, 2022 | 
| ICTSI Oregon v. International Longshore and Warehouse Union author | Civil Procedure | Jan. 19, 2022 | 
| U.S. v. Briones author | Criminal Law and Procedure | Dec. 7, 2021 | 
| In re Nichols author | Bankruptcy | Sep. 2, 2021 | 
| AMG Capital Management, LLC v. FTC reversed and remanded | statutory_interpretation | Apr. 23, 2021 | 
| Young v. State of Hawaii dissenting | Civil Rights | Mar. 25, 2021 | 
| Lewis v. U.S. author | Criminal Law and Procedure | Jan. 26, 2021 | 
| America Unites for Kids v. Rousseau dissenting | Environmental Law | Jan. 25, 2021 | 
| Revitch v. DIRECTV LLC concurring | Arbitration | Oct. 1, 2020 | 
| Demartini v. Demartini author | Civil Procedure | Jul. 7, 2020 | 
| The Democratic National Committee v. Hobbs dissenting | Civil Rights | Jan. 28, 2020 | 
| Kim v. U.S. author | Torts | Oct. 11, 2019 | 
| Flynt v. Shimazu author | Civil Procedure | Oct. 8, 2019 | 
| Poursina v. USCIS author | Immigration | Aug. 29, 2019 | 
| U.S. v. Shayota concurring | Criminal Law and Procedure | Aug. 20, 2019 | 
| U.S. v. Evans author | Criminal Law and Procedure | Jul. 10, 2019 | 
| Herrera v. City of Palmdale author | Civil Rights | Mar. 21, 2019 | 
| FTC v. AMG Capital Management author | Consumer Law | Dec. 4, 2018 | 
| Maquiz MacDonald v. Hedgpeth dissenting | Criminal Law and Procedure | Nov. 6, 2018 | 
| U.S. v. Henderson author | Criminal Law and Procedure | Oct. 24, 2018 | 
| Young v. State of Hawaii author | Constitutional Law | Jul. 25, 2018 | 
| Patricia Campbell v. Edu-HI author | Civil Rights | Jun. 12, 2018 | 
| Pike v. Hester dissenting | Qualified Immunity | Jun. 7, 2018 | 
| U.S. v. Briones dissenting | Criminal Law and Procedure | May 17, 2018 | 
| Echlin v. PeaceHealth author | Consumer Law | Apr. 18, 2018 | 
| Friends of Animals v. U.S. Fish and Wildlife Service author | Animal Law | Jan. 11, 2018 | 
| USA v. Valdivia-Flores author | Immigration | Dec. 8, 2017 | 
| Howard v. City of Coos Bay author | Civil Procedure | Sep. 26, 2017 | 
| Robins v. Spokeo Inc. author | Constitutional Law | Aug. 16, 2017 | 
| ILWU v. ICTSI Oregon author | Antitrust | Jul. 25, 2017 | 
| Demetris v. Transport Workers Union of America, AFL-CIO author | Labor Law | Jul. 6, 2017 | 
| U.S. v. Perez-Silvan author | Criminal Law and Procedure | Jun. 29, 2017 | 
| U.S. v.  Calvillo-Palacios author | Criminal Law and Procedure | Jun. 29, 2017 | 
| Guido v. Mount Lemmon Fire District author | Administrative Agencies | Jun. 19, 2017 | 
 

 
