{"id":140564,"date":"2026-01-02T08:24:29","date_gmt":"2026-01-02T16:24:29","guid":{"rendered":"https:\/\/xira.com\/p\/?p=140564"},"modified":"2026-01-02T08:24:29","modified_gmt":"2026-01-02T16:24:29","slug":"tenth-circuit-adopts-ascertainability-test-and-clarifies-class-action-requirements","status":"publish","type":"post","link":"https:\/\/xira.com\/p\/2026\/01\/02\/tenth-circuit-adopts-ascertainability-test-and-clarifies-class-action-requirements\/","title":{"rendered":"Tenth Circuit Adopts Ascertainability Test and Clarifies Class Action Requirements"},"content":{"rendered":"<p>In <i>Cline v. Sunoco, Inc. R&amp;M<\/i>, the U.S. Court of Appeals for the Tenth Circuit largely affirmed the federal district court&#8217;s rulings certifying a class and awarding damages, and in the process, adopted the majority test for determining whether the class members are ascertainable.<img loading=\"lazy\" decoding=\"async\" align=\"left\" border=\"0\" height=\"1\" width=\"1\" alt=\"\" hspace=\"0\" src=\"https:\/\/feeds.feedblitz.com\/~\/i\/939586004\/0\/law\/legal-news\" title=\"\"><\/p>\n<div><a title=\"Add to FaceBook\" href=\"https:\/\/feeds.feedblitz.com\/_\/2\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/fbshare20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Like on Facebook\" href=\"https:\/\/feeds.feedblitz.com\/_\/28\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/fblike20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Pin it!\" href=\"https:\/\/i0.wp.com\/feeds.feedblitz.com\/_\/29\/939586004\/law\/legal-news%2Chttps%3A%2F%2Fk2-prod-alm.s3.us-east-1.amazonaws.com%2Fbrightspot%2Fb8%2F6b%2Fb8d20ea74e198addf457604dc278%2Fmasciocchi-rosenbluth-jpg767x505.jpg?ssl=1\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/pinterest20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Stumble This\" href=\"https:\/\/feeds.feedblitz.com\/_\/12\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/stumble20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Post to X.com\" href=\"https:\/\/feeds.feedblitz.com\/_\/24\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/x.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Subscribe by RSS\" href=\"https:\/\/feeds.feedblitz.com\/_\/20\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/rss20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0\u00a0<\/div>\n<p>In <i>Cline v. Sunoco, Inc. R&amp;M<\/i>, the U.S. Court of Appeals for the Tenth Circuit largely affirmed the federal district court&#8217;s rulings certifying a class and awarding damages, and in the process, adopted the majority test for determining whether the class members are ascertainable.<img loading=\"lazy\" decoding=\"async\" align=\"left\" border=\"0\" height=\"1\" width=\"1\" alt=\"\" hspace=\"0\" src=\"https:\/\/feeds.feedblitz.com\/~\/i\/939586004\/0\/law\/legal-news\" title=\"\"><\/p>\n<div><a title=\"Add to FaceBook\" href=\"https:\/\/feeds.feedblitz.com\/_\/2\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/fbshare20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Like on Facebook\" href=\"https:\/\/feeds.feedblitz.com\/_\/28\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/fblike20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Pin it!\" href=\"https:\/\/i0.wp.com\/feeds.feedblitz.com\/_\/29\/939586004\/law\/legal-news%2Chttps%3A%2F%2Fk2-prod-alm.s3.us-east-1.amazonaws.com%2Fbrightspot%2Fb8%2F6b%2Fb8d20ea74e198addf457604dc278%2Fmasciocchi-rosenbluth-jpg767x505.jpg?ssl=1\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/pinterest20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Stumble This\" href=\"https:\/\/feeds.feedblitz.com\/_\/12\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/stumble20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Post to X.com\" href=\"https:\/\/feeds.feedblitz.com\/_\/24\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/x.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0<a title=\"Subscribe by RSS\" href=\"https:\/\/feeds.feedblitz.com\/_\/20\/939586004\/law\/legal-news\" rel=\"nofollow noopener\" target=\"_blank\"><img data-recalc-dims=\"1\" width=\"1080\" decoding=\"async\" height=\"20\" src=\"https:\/\/i0.wp.com\/assets.feedblitz.com\/i\/rss20.png?fit=1080%2C20&#038;ssl=1\" alt=\"\" title=\"\"><\/a>\u00a0\u00a0<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In Cline v. Sunoco, Inc. R&amp;M, the U.S. Court of Appeals for the Tenth Circuit largely affirmed the federal district court&#8217;s rulings certifying a class and awarding damages, and in the process, adopted the majority test for determining whether the class members are ascertainable. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 In Cline v. Sunoco, Inc. R&amp;M, the U.S. Court of [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":140565,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-140564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-law-com"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/xira.com\/p\/wp-content\/uploads\/2026\/01\/legal-news-CBl22S.jpg?fit=768%2C505&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/posts\/140564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/comments?post=140564"}],"version-history":[{"count":1,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/posts\/140564\/revisions"}],"predecessor-version":[{"id":140570,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/posts\/140564\/revisions\/140570"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/media\/140565"}],"wp:attachment":[{"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/media?parent=140564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/categories?post=140564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xira.com\/p\/wp-json\/wp\/v2\/tags?post=140564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}