Dr. David Jahn

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 +49 (0) 69 244 3799 – 57
david.jahn@gruengold.legal
German, English
Dr. David Jahn, Of Counsel, specializes in copyright and media law, including press and personality rights as well as IT and data protection law. He also specializes in commercial law (including e-commerce). Dr. David Jahn is a certified data protection officer (TÜV). Dr. David Jahn is the author of several publications – including co-author of the legal handbook Industry 4.0 and Internet of Things (C.H. Beck) – and regularly gives lectures, in particular on media law topics. He is Managing Director of the Bayreuth Working Group for Information Technology – New Media – Law e.V. (@kit) and thus also co-responsible for the content of the annual @kit congress. He is also a member of the “permanent staff” of the media law journal “Kommunikation & Recht” (K&R) published by Deutscher Fachverlag.

Specializations

  • Copyright and media law, including press and personality rights and data protection law
  • IT law and data protection law
  • Commercial, including e-commerce

Selected mandates and projects

  • Copyright and media law advice to Napster, Deezer, Real Network, Rhapsody, Flipboard, dfv Mediengruppe, among others;
  • Advising the German Football League (DFL) on the allocation of audiovisual and audio rights for the Bundesliga seasons 2017/18 to 2020/21 and 2021/22 to 2024/25;
  • Representing FIFA in a copyright dispute concerning audiovisual content of the FIFA World Cup;
  • Advising publishers, but also prominent personalities (in particular from the sports industry, such as Bundesliga players or soccer officials) in press law matters
  • Advising various companies (e.g. from the cosmetics, sports and construction industries) on the implementation of the GDPR
  • Advising companies from the construction industry on digitalization / Industry 4.0. projects
  • Representation of Deezer in court proceedings against Gesellschaft zur Wahrnehmung von Veranstalterrechten (GWVR);
  • Advising 1&1 Mail & Media in proceedings before the Arbitration Board (copyright) against VG Media regarding ancillary copyright for press publishers;
  • Advising the German Football League (DFL) on copyright contract law;
  • As an IP specialist involved in various M&A projects and transactions

Publications and lectures (excerpt)

  • “Copyright contract law before the next amendment: On the BMJV’s drafts for a law to adapt copyright law to the requirements of the digital single market”, Kommunikation und Recht (K&R), 2020, 709 ff;
  • Comment on the judgment of the Higher Regional Court of Frankfurt am Main of April 30, 2019 (11 U 27/18) (Liability of a foreign e-book provider for copyright infringements in Germany), Zeitschrift für Urheber-und Medienrecht -Rechtsprechungsdienst (ZUM-RD), 2019, issue 10, p. 532;
  • Co-editor of the proceedings of the 18th @kitKongress and the @kit conference “Artificial Intelligence”, published as a supplement to K&R 07/08/2019;
  • Interview for the magazine HORIZONT on the EU copyright reform (title of the article: “This is what the bitter dispute between YouTube and the EU is about”), print source: HORIZONT v. 29.11.2ß18 (48/2018); also available online
  • Chapter: “Germany”, together with Piet Bubenzer, in: Global Legal Group, The International Comparative Legal Guide to: Copyright 2019 (5th Ed.), p. 44 ff.
  • Co-editor of the proceedings of the 17th @kit Congress, published as a supplement to K&R 09/2018
  • Comment on the judgment of the Regional Court of Frankfurt am Main of February 9, 2018 (2-03 O 494/14) (copyright infringement by book platform in Germany with works in the public domain in the USA), Kommunikation und Recht (K&R), 2018, issue 7/8, p. 517 et seq.
  • “Research and Development and Cooperation”, together with Dr. Thomas Jochheim, in Faber / Sassenberg (eds.) Legal Handbook Industry 4.0 and Internet of Things: Practical Issues and Prospects for the Digital Future (2017);
  • “Cooperation in the age of Industry 4.0”, together with Dr. Thomas Jochheim, lecture Hannover Messe, 2017;
  • “We want to cooperate – and now?”, together with Dr. Thomas Jochheim, lecture PM-Forum (leading specialist congress for project management in Europe), 2017;
  • “The General Data Protection Regulation is just around the corner – what you should be aware of at 5 to 12”, lecture in Siegen, 2017;
  • “Misleading packaging design and the responsible consumer – At the same time comment on ECJ, judgment of June 4, 2015, Case C-195-14 – Raspberry Vanilla Adventure”, together with Christoph Palzer, Zeitschrift für das Privatrecht der Europäischen Union (GPR) 2016, 33-36;
  • Co-editor of the proceedings of the 16th @kit Congress, published as a supplement to K&R 07-08/2017;
  • “Internet und Recht und Freiheit”, co-editor of the proceedings of the 15th @kit Congress, published as a supplement to K&R 09/2016;
  • Permanent author of the column “Fokus Recht”, planung & analyse – Zeitschrift für Marktforschung und Marketing, 2015 – 2016;
  • “Der Intermediär im Spannungsfeld zwischen digitaler Dynamik und Rechtsgüterschutz – Zugleich Kommentar zu BGH, 19.3.2015 – I ZR 94/13, Hotelbewertungsportal, together with Christoph Palzer, Kommunikation und Recht (K&R) 2015, 767-771;
  • “Der mündige Verbraucher ist tot, es lebe der mündige Verbraucher!”, together with Christoph Palzer, Kommunikation und Recht (K&R) 2015, 444-448);
  • “Embedded content and the right of communication to the public – Svensson is the (new) reality!”, together with Christoph Palzer, Kommunikation & Recht (K&R), 2015, issue 1, p. 1 ff;
  • “Die Anwendbarkeit deutscher Gläubigerschutzvorschriften bei einer EU-Kapitalgesellschaft mit Sitz in Deutschland – Eine Untersuchung am Beispiel der Existenzvernichtungshaftung nach Trihotel, Gamma und Sanitary!”, JWV Jenaer Wissenschaftliche Verlagsgesellschaft, Diss., 382 Seiten, 2014;
  • “Advertising to children – “Dus” and don’ts, At the same time discussion of BGH, Urt. v. 17.7.2013 – I ZR 34/12 – Runes of Magic”, together with Christoph Palzer, Gewerblicher Rechtsschutz und Urheberrecht (GRUR), 2014, Heft 4, p. 332-337;
  • “Coexistence versus coherence – online gambling bans (again) put to the test by the ECJ”, together with Dr. André Soldner, Kommunikation & Recht (K&R), 2013, Issue 5, pp. 301-304;
  • “Digital is(s)t better? – Lebensmittelhandel 2.0 und das Dilemma der richtigen Verbraucherinformation”, together with Stephan Schäfer, Zeitschrift für das gesamte Lebensmittelrecht (ZLR), 2011, issue 5, pp. 593-607;
  • “Vom Klick zum Kühlschrank – Sicherheits- und schuldrechtliche Aspekte des Lebensmittelhandels im Internet”, together with Stephan Schäfer, Kommunikation & Recht (K&R), 2011, Issue 10, pp. 614-620;
  • Comment on the judgment of the Hanseatic Higher Regional Court of Hamburg of 26.05.2011 (Ref. 3 U 67/11; §§ 823, 1004 BGB; Art. 1, 2 para. 1 GG; § 186 StGB: Search engine operators are not liable for violations of personal rights through “snippets”), together with Prof. Dr. Stefan Leible, Kommunikation & Recht (K&R), 2011, issue 9, pp. 603-605;
  • Comment on the judgment of the ECJ of 12.07.2011 (Case C-324/09; Directive 2000/31/EC Art. 14 (1); Directive 2004/48/EC Art. 11: Liability of eBay for trademark infringements), together with Prof. Dr. Stefan Leible, Gewerblicher Rechtsschutz und Urheberrecht, Praxis im Immaterialgüter- und Wettbewerbsrecht (GRUR-Prax), 2011, Issue 14, p. 324 (= GRUR-Prax 2011, 320504);
  • Comment on the judgment of the BGH of 14.04.2011 (Ref. I ZR 133/09; UWG § 4 No. 11; BGB 477 para. 1 Directive 1999/44/EC Art. 6 para. 1 and 2: Admissibility of guarantee declarations under competition law – advertising with guarantee), together with Prof. Dr. Stefan Leible, Kommentierte BGH-Rechtsprechung Lindenmaier-Möhring (LMK) 2011, 320460;
  • Comment on the judgment of the ECJ of 9.11.2010 (Case C-540/08; Directive 2005/29/EC Art. 5 para. 2: National consumer-protecting regulation for the preservation of media diversity contrary to Community law)”, together with Prof. Dr. Stefan Leible, European Journal of Commercial Law (EuZW), 2010, pp. 750-751;
  • Comment on the judgment of the BGH of October 22, 2010 (Ref. I ZR 139/08; BGB § 823 para. 1; MarkenG § 14 para. 2 no. 1 and para. 5; TMG § 7 para. 2 sentence 1; UWG § 6 para. 2 no. 6, § 8 para. 1; ZPO § 253 para. 2 no. 2: Competition law liability of the operator of an internet marketplace – children’s high chairs on the internet), together with Prof. Dr. Stefan Leible; annotated BGH case law Lindenmaier-Möhring (LMK) 2011, 314820;
  • “Verbraucherschützende Regelung zum Erhalt der Medienvielfalt gemeinschaftsrechtswidrig”, together with Prof. Dr. Stefan Leible, Europäische Zeitschrift für Wirtschaftsrecht (EuZW), 2010, issue 24, pp. 750-751;
  • Comment on the judgement of the BGH of 12.05.2010 (Az. I ZR 121/08; UrhG §§ 19a, 97: Sicherungspflichten des WLAN-Anschlussinhabers – Sommer unseres Lebens), together with Prof. Dr. Stefan Leible, Kommentierte BGH-Rechtsprechung Lindenmaier-Möhring (LMK) 2010, 306719;
  • “Google Street View is watching you”, together with Julia Striezel, Kommunikation & Recht (K&R), 2009, issue 12, pp. 753-758;
  • Comment on the judgment of the BGH of 16.07.2009 (Ref. I ZR 50/07; UWG (2008) §§ 3 II, 4 11, 5 a II; PreisangabenVO § 1 II: Preisklarheit und Versandkosten beim Onlinekauf – Kamerakauf im Internet), together with Prof. Dr. Stefan Leible, Kommentierte BGH-Rechtsprechung Lindenmaier-Möhring (LMK) 2010, 299431;
  • Several articles for the blog “German American Law Journal” (www.anwalt.us);
  • Several articles for the International Law Office, Intellectual Property – Germany.

Training and career

  • Of Counsel at GRUENGOLD LEGAL (2025)
  • Klinkert Partners (2015-2024), from 2022 as Of Counsel
  • Lecturer for press law at the Darmstadt University of Applied Sciences (2015)
  • Legal advisor at dfv Mediengruppe, Frankfurt am Main (2014-2015)
  • Admission to the bar 2014
  • Doctorate in European and International Corporate Law under Prof. Dr. Stefan Leible at the University of Bayreuth (2013)
  • Legal clerkship at the Regional Court of Darmstadt (second state examination 2013) with station at a commercial law firm in Washington, D.C.; focus: commercial law, in particular IP/IT law
  • Research assistant at the Research Center for Business and Media Law at the University of Bayreuth (FWMR) under Prof. Dr. Stefan Leible (2009-2011)
  • Additional training in economics with a focus on competition at the University of Bayreuth (Business Lawyer (University of Bayreuth)) (2003-2009)
  • Studied at the University of Bayreuth, specializing in intellectual property and competition law (first state examination in 2009)