Oregon appellate court briefs for both the PERS and Defense of Marriage, aka Same-Sex Marriage ,(Li v Oregon, dkt # S51612) cases are being microfilmed as I write. (Both opinions are in 338 Oregon Reports.) Many of the briefs for Li are online (ACLU web site among others), but not all of them. There are 6 public law libraries in Oregon that get the microfilmed briefs (after we finish microfilming them) and you can contact them for copies. The State Law Library and Multnomah Law Library also keep bound volumes of the paper briefs. We (Washington County Law Library) keep loose paper copies for a while and could likely arrange to scan them if necessary, i.e. if you need lots of briefs and don’t want to go blind reading them on microfilm or get carpal tunnel syndrome photocopying thousands of pages.