{"id":"CASE-GB-2","slug":"uk-cat-certifies-acso-s-opt-out-collective-claim-against-amazon-on-conditions-wi","url":"/cases/uk-cat-certifies-acso-s-opt-out-collective-claim-against-amazon-on-conditions-wi/","title":"UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow","aliases":[],"summary":"On 13 October 2026 the UK Competition Appeal Tribunal ruled that ACSO can be authorised as class representative in its opt-out collective proceedings against Amazon group companies, subject to conditions; full reasons are to follow in a separate judgment.","products":[],"jurisdictions":["GB"],"conduct_period":null,"coverage_class":"core_antitrust_or_funding","coverage_class_label":"Core: antitrust / funding","topics":["collective-proceedings","representative-actions","abuse-of-dominance","litigation-funding","procedure"],"proceedings":[{"id":"CASE-GB-2-P1","kind":"authority_decision","forum":"United Kingdom","jurisdiction":"GB","case_number":null,"title":"UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow","parties":[],"posture":"pending","posture_label":"Pending","finality":"unknown","posture_as_of":"2026-10-14","related_proceeding_ids":[],"events":[{"id":"CASE-GB-2-P1-E1","event_type":"certification","event_type_label":"Certification","actor":"Competition Appeal Tribunal","headline":"UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow","event_date":{"date":"2026-10-13","precision":"day","kind":"decision","human":"13 October 2026"},"announcement_date":null,"publication_date":{"date":"2026-10-13","precision":"day","kind":"publication","human":"13 October 2026"},"legal_effect":null,"posture_after":"pending","posture_after_label":"Pending","money":[{"amount":"150","amount_high":null,"currency":"GBP","amount_type":"other","amount_type_label":"other amount","comparator":"exact_as_reported","scope":"ACSO's fee per hour, subject to a daily cap of £750, as a condition of authorisation","human":"GBP 150 (other amount)"}],"evidence":[{"document_id":"DOC-000082","title":"1749/7/7/25 Association of Consumer Support Organisations Ltd v (1) Amazon.com, Inc., (2) Amazon Europe Core S.À.R.L., (3) Amazon EU S.À.R.L, (4) Amazon U.K. Services Ltd., and (5) Amazon Payments U.K. Limited","url":"https://www.catribunal.org.uk/sites/cat/files/2026-10/17497725%20Association%20of%20Consumer%20Support%20Organisations%20Ltd%20v%20Amazon.com%2C%20Inc%20%26%20Ors%20-%20Ruling%20%28CPO%20Decision%29%20%2013%20Oct%202026.pdf","publisher":"United Kingdom","source_id":"A42","source_role":"institutional_primary_or_official_register","source_role_label":"Official / primary","document_type":"judgment","language":"en","source_published":{"date":"2026-10-13","precision":"day","kind":"publication","human":"13 October 2026"},"observed_on":"2026-10-14","locators":["A. Introduction, paragraph 1","A. Introduction, paragraph 1","A. Introduction, paragraph 2","A. Introduction, paragraph 2","A. Introduction, paragraph 3","A. Introduction, paragraph 3","A. Introduction, paragraph 3","B. ACSO's Application for a Collective Proceedings Order, paragraph 4","B. ACSO's Application for a Collective Proceedings Order, paragraph 4(a)-(b)","B. ACSO's Application for a Collective Proceedings Order, paragraph 4(c)(i)-(ii)","B. ACSO's Application for a Collective Proceedings Order, paragraph 5(a)","B. ACSO's Application for a Collective Proceedings Order, paragraph 5(b)","B. ACSO's Application for a Collective Proceedings Order, paragraph 5(b)(i)-(ii)","B. ACSO's Application for a Collective Proceedings Order, paragraph 6","B. ACSO's Application for a Collective Proceedings Order, paragraph 7","B. ACSO's Application for a Collective Proceedings Order, paragraph 8","Cover page and B., paragraph 9"]}],"story_links":[{"id":"STORY-2026-000004","title":"UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow","url":"/updates/uk-cat-certifies-acso-s-opt-out-collective-claim-against-amazon-on-conditions-wi/"}],"is_current":true}]}],"story_links":[{"id":"STORY-2026-000004","title":"UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow","url":"/updates/uk-cat-certifies-acso-s-opt-out-collective-claim-against-amazon-on-conditions-wi/"}],"updated_at":"2026-10-14T04:27:21Z","release_id":"REL-20261104-053043087"}