Martin & Anor v Kogan & Ors

Decision date: 22 November 2017

Neutral citation: [2017] EWHC 2927 (IPEC)

Overall AI summary confidence: high

AI Notice: Any short overview, ratio decidendi summary or obiter dicta summary shown on this page is AI-generated, provided only to help users assess potential relevance more quickly, and may be wholly inaccurate. No liability is accepted for the accuracy of any such summary, regardless of any AI confidence rating shown. Users should check the underlying decision and obtain appropriate legal advice rather than relying on any summary.

Short overview

This short overview is intended to summarise the case, issues and outcome so far as they are supported by the judgment.

AI confidence in this short overview: high

This was a dispute over authorship of the Florence Foster Jenkins screenplay: Mr Martin sought a declaration that he alone authored the final Screenplay used for the Film, and Ms Kogan counterclaimed joint authorship and infringement. The court found that although Kogan made some textual edits (mainly musical jargon/technical wording) and suggested a few non‑textual plot/scene ideas, there was no collaboration on the final Screenplay and her contributions were insufficient to make her a joint author. The declaration of sole authorship for Mr Martin was made and Kogan's counterclaim and the Part 20 claim were dismissed.

Ratio decidendi

This summary is intended to identify the ratio decidendi, meaning the legal reasons for deciding and the binding part of the decision.

AI confidence in this ratio decidendi summary: high

From the judgment: joint authorship requires (i) collaboration or a common design in relation to the specific work and (ii) contributions that are not distinct from one another; there is an implied requirement that each contributor’s input be sufficient (assessed qualitatively as well as quantitatively) — in practice whether the contribution would itself attract copyright protection. The fact that one person acted as the "ultimate arbiter" of content is a relevant factor but does not alone determine joint authorship.

Obiter dicta

This summary is intended to identify obiter dicta, meaning observations made by the way that were not necessary to deciding the case and are not binding.

AI confidence in this obiter dicta summary: medium

The judge observed that no legal distinction should be drawn between different types of contribution (e.g. wording/penmanship versus plot or technical jargon) when applying the multi‑factor test for joint authorship, and that judges should give limited weight to fallible recollections, preferring documentary and contemporaneous material. The judgment also hypothesized that, had joint authorship been established, equitable considerations (such as estoppel) might have arisen, but that scenario was not decided on the facts.

Warning

quality:contains_crown_copyright

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