| Reckitt & Coleman Products Limited v Borden Inc. [1990] 1 WLR 491 | The three requirements of passing off: goodwill or reputation, misrepresentation and damage. | The Court treated the classical trinity as governing the passing-off claim and found no actionable misrepresentation. [64][65][66][196][197][198][199][135] |
| National Guild of Removers v Bee Moved [2016] EWHC 3192 (IPEC); [2018] EWCA Civ 1302 | A defendant is not liable for passing off based on statements made by persons outside its control. | The principle was relied on in relation to AI-generated search results. [170][171][175] |
| My Kinda Town v Soll [1983] RPC 407 | Confusion caused by descriptive expressions does not necessarily amount to passing off. | The Court treated “Classic Hits” and “Greatest Hits” as descriptive terms and regarded resulting confusion as non-actionable. [170][200][201][135][202][203][204] |
| Guerin v O’Doherty [2026] IECA 48 | AI-generated legal material may contain non-existent authorities and must be treated cautiously. | The Court accepted the unreliability of AI-generated material and gave limited weight to the search results. [205][206][207][173][176] |
| Von Geitz v Kelly [2026] IECA 29 | Concerns regarding AI-generated material. | The case was cited as further support for caution concerning AI output. [208][209] |
| Hanafin v Minister for the Environment [1996] 2 I.R. 321 | The admissibility and evidential value of survey evidence. | The Court applied the principle that admissibility and weight are distinct matters. [210][211] |
| Jordan v Minister for Children and Youth Affairs [2015] 4 I.R. 232 | Survey evidence may be considered where helpful, although methodological weaknesses affect weight. | The Court found the Plaintiff’s survey imperfect but of some value. [210][211][212][213][214][215][216][217][218][219][220][221] |
| McCambridge Ltd v Joseph Brennan Bakeries [2013] ILRM 369 | Passing off does not require proof of intention or actual confusion; the question is the likely impression on the relevant customer. | The Court accepted the legal test but found that the Defendant had made no misrepresentation. [222][223][224][225][115][116][196][197][198][199] |
| Singer Manufacturing Company v Loog (1882) 8 App. Cas. 15 | Assessment of customer perception and imperfect recollection. | The principle was cited as part of the passing-off test. [224][225] |
| HFSC v Midland Bank [2000] F.S.R. 176 | The level of customer care depends on the transaction. | The principle was noted in considering the relevant customer’s likely impression. [224][225] |
| Associated Newspapers v Express Newspapers [2004] IP & T 378 | Survey evidence and acquired distinctiveness in a descriptive element. | The Court distinguished the case because “Mail” had acquired distinctiveness, unlike “Classic Hits”. [226][227][228][229][230][231][232][233] |
| Galway Free Range Eggs v O’Brien [2019] IECA 8 | The test is whether the public is likely to get an impression of a connection; actual damage is unnecessary for quia timet relief. | The Court accepted the legal principles but found no misrepresentation or actionable passing off. [211][234][235][236][237][238][239][240][241][242][243][244][245][246][247][248][249][250] |
| Falcon Travel Ltd v The Owners Abroad Group plc [1991] 1 IR 175 | Damage in passing off includes appropriation of goodwill or likelihood of such appropriation. | The Court stated the applicable damage principle but rejected the passing-off claim on misrepresentation grounds. [251][252] |
| Office Cleaning Services v Westminster Window and General Cleaners [1946] 63 RPC 39 | Descriptive terms remain available to competitors; “mere confusion” is not enough. | The Court treated the principle as a central limitation on the Plaintiff’s claim. [130][131][253][254][255][256][134][135][202][257][258] |
| RJ Reuter v Mulhens [1954] CH.50 | Goodwill concerns the attraction to customers represented by a business name and reputation. | The Court considered goodwill in relation to the station’s names rather than the descriptive words alone. [140][259] |
| Muckross Park v Randles [1995] 1 IR 130 | Reputation and secondary meaning may support passing off; goodwill is not simply business value or clientele. | The Court distinguished the case because “Classic Hits” had not acquired secondary meaning. [260][141][261][262][263][264][265][266][267][268][269][270][271][272][273][274][275][276] |
| Yoplait v Nutricia [2025] IECA 163 | Distinctiveness protects against undue restriction of competition. | The principle supported the conclusion that descriptive terms should remain available. [150][277] |
| Cadbury Schweppes [1981] 1 WLR 193 | Distinctiveness is a safeguard against stifling competition. | The principle was relied on in assessing the descriptive nature of “Classic Hits”. [277][135] |
| Cellular Clothing Company v Maxton & Murray [1899] AC 326 | A much greater burden applies to proving secondary meaning in descriptive words. | The Court found that the Plaintiff had not met that burden. [278][279][280][281][282] |
| Planet Art v Photo Box [2020] EWHC 713 | Weak goodwill in descriptive material may not prevent ordinary descriptive use. | The Court considered the analogy but found “Classic Hits” even less capable of protection. [283][284][285][286][287][288][289][290] |
| O’Neill’s Irish International Sports Company Limited v O’Neills Footwear Dryer Company Ltd [1997] IEHC 75 | Passing off may arise from similarity of name, appearance or other features calculated to deceive; intention is unnecessary. | The principle was considered in assessing whether the name caused actionable deception. [291][292][293] |
| C&A Modes v C&A (Waterford) Ltd [1976] I.R. 198 | Passing off may include use of a company name suggesting association with another business. | The principle formed part of the Court’s analysis of connection and misrepresentation. [294][295][296][297] |
| Parker Knoll Limited v Knoll International Ltd [1962] R.P.C. 265 | The real likelihood of deception is ultimately for the court to determine. | The Court independently assessed the evidence and rejected actionable deception. [298][270][299][271] |
| Spalding & Bros v Gamage Limited [1915] 32 R.P.C. 273 | The judge must determine whether conduct is calculated to deceive. | The principle supported the Court’s independent evaluation. [270][299] |
| Payton & Co Limited v Snelling, Lampard & Co Ltd [1900] 17 R.P.C. 635 | The court must not surrender its independent judgment to a witness. | The Court assessed expert and survey evidence independently. [299][271] |
| Phones 4U v Phone4u.co.uk Internet [2006] EWCA Civ 244 | Descriptive branding may require tolerance of a degree of “mere confusion”. | The Court applied this policy distinction between confusion and deception. [204][136][300] |
| A&E Television Networks v Discovery Communications [2013] EWHC 109 (Ch) | A descriptive television-channel name did not support a broad passing-off monopoly. | The case illustrated the limitation on protecting descriptive broadcasting terms. [300][301] |
| Cranford Community College v Cranford College Ltd [2014] EWHC 2999 (IPEC) | Confusion caused solely by common descriptive words is not misrepresentation. | The Court adopted the distinction between descriptive confusion and deception. [302][303][137][304] |
| Au Vodka Ltd v NE10 Vodka Ltd [2022] EWHC 2371 (Ch) | Public policy may require tolerance of mere confusion arising from descriptive names. | The Court used the distinction to reject the passing-off claim. [305][138][306][139] |
| British Sugar v James Robertson & Sons [1996] RPC 281 | Use does not automatically equal distinctiveness; the burden may shift after an original invalidity challenge. | The Court found that the Plaintiff’s use did not establish acquired distinctiveness. [307][308][181][309][310][311][182] |
| Linde, C-53-55/01 | A trade mark must identify goods or services as originating from a particular undertaking. | The Court accepted that “Classic Hits” lacked the required distinctive character. [177][312][313][78] |
| Mag Instrument v OHIM, C-136/02P | Distinctiveness must enable consumers to distinguish goods or services without becoming accustomed through use. | The principle supported invalidity under section 8(1)(b). [314][315][316][317] |
| Okotoks v Fine & Country [2013] EWCA Civ 672 | Inherent characteristics, including descriptiveness, are relevant to distinctiveness. | The Court treated “Classic Hits” as inherently descriptive. [317][318][319] |
| Agencja Wydawnicza v OHIM, C-51/10P | Descriptive signs should remain freely available to traders and need not be currently used descriptively. | The Court held that “Classic Hits” was excluded under section 8(1)(c). [178][320][321][322][323][79][80] |
| Bach Flower Remedies [2000] RPC 513 | Use or increased use does not itself prove distinctiveness; use must be in a distinctive sense. | The Court found the Plaintiff’s use insufficient. [183][184][324] |
| Centrotherm v OHIM, C-610/11P | The proprietor bears the burden of proving use of a registered mark. | The Court placed the evidential burden on the Plaintiff. [325][82][326] |
| Ferrari v DU, C-720/18/C-721/18 | The proprietor is best placed to prove genuine use and must address independent subcategories of services. | The Plaintiff failed to prove genuine use across the relevant services and subcategories. [82][326][84][85][327][86][87] |
| Ansul v Ajax, Case C-40/01 | Genuine use must be real market use consistent with the essential function of a trade mark, not merely token or internal use. | The Court found that the Plaintiff’s use did not satisfy that standard. [326][83][328][329][330][331][332] |
| Kabushiki Kaisha Fernandes v OHIM, T-39/01 | Genuine use must be established by solid and objective evidence, not probabilities or suppositions. | The Court found the Plaintiff’s evidence inadequate. [330][333][334][84] |
| Dryrobe Ltd v Caesr Group Ltd (t/a D-Robe Outdoors) 2025 EWHC 3167 (IPEC) | Acquired distinctiveness may be assessed through sales, market position, media coverage, marketing, public evidence and actual confusion. | The Court distinguished the case because “Dryrobe” was capable of acquiring distinctiveness whereas “Classic Hits” remained descriptive. [335][336][337][338][339][340][341][342][343][344][345] |
| Oska’s Trade Mark [2005] RPC 20 | Media coverage may demonstrate brand recognition and increase public awareness. | The principle was noted in the discussion of acquired distinctiveness but did not assist the Plaintiff. [337][338] |