Alexander Haertel is admitted to the bar as a lawyer since 2004. The IAM Magazine 2014 included him in the “IAM Patent 1000 – The World’s leading Patent Professionals” in the category “Individuals Infringement – Bronze”. He is one of the founding partners of our firm.

He advises and represents national and international companies of all sizes. The focus of his work is in litigation for technical intellectual property rights (patents, utility models). He is also active in the field of soft IP, and particularly advises his clients in matters of trademarks, design, and unfair competition law. Alexander Haertel has also experience in the management of cross-border proceedings, in particular in the field of mobile phone companies.

Alexander Haertel publishes regularly on many IP related topics. He is co-author of two commentaries on patent law and a co-author of an upcoming commentary on unfair competition law. He is a regular lecturer at national and international conferences on various issues of patent law and IP in general. He furthermore teaches patent attorney candidates on a regular basis.

He is a member of the Licensing Executives Society International (LESI), and is in charge of external relations as Vice Chair. Alexander Haertel is tasked with the management of the Committee on Patent Law in the Working Group on Intellectual Property and Media (AGEM) of the Deutscher Anwaltverein (German Association of Lawyers). He is also a member of EPLAW, GRUR and DJT.


Highly praised for “constant creative commitment
The Legal 500 Deutschland, 2018
‘very high level’
The Legal 500 Deutschland, 2019


Representative cases

  • Representation in the first patent infringement proceedings against a German automobile manufacturer in the field of telecommunications
  • Representation of a mobile phone manufacturer in a Europe-wide dispute on 11 patents to the Android operating system
  • Representation of a mobile phone company in a global dispute on several patents, leading role for implementation patents
  • Representation of a leading network provider for mobile telephony in infringement proceedings for 6 patents against a patent licensing agency
  • Advice to and representation of one of the world’s leading glass manufacturers in various personal injury, appeal and nullity proceedings
  • Representation of a leading R&D company of biogas plant technology in injury and inspection proceedings


  • Applicability of the presumption of urgency (12 para. 2 UWG) in proceedings under the GeschGehG, Higher Regional Court Munich, 8.8.2019 (29 W 940/19),  IPRB 2019, 248-249 [German]
  • Unlawful mass warnings, BGH, 26.04.2018 (I ZR 248/16), GRUR-PRAX, 68 [German]
  • LESI: Injunctions, a means to an end?, WIPR, 12.06.2019
  • Revisiting FRAND: new faces and yet more to come, WIPR Annual 2018, p. 8-10
  • National Patent Litigation – Germany, les Nouvelles, Special Issue: International Patent Enforcement, Edition LIII No. 4, December 2018, 295ff
  • FRAND: Painting a clearer Picture, WIPR, 14 June 2017
  • Federal Patent Court: Claims for compensation among co-inventors, GRUR-Prax 2016, 23/2016, p. 533 [German]
  • Federal Patent Court: Involvement of third parties in unilateral patent proceedings, Decision of 07.06.2015, X ZB 4/14 (Federal Patent Court), GRUR- Prax, 17-18/2015, 377 [German]
  • Higher Regional Court Düsseldorf: License fees as enforcement damages, Higher Regional Court Düsseldorf, Decision of 08.01.2015, I-2 U 142/08 (Regional Court Düsseldorf), GRUR-Prax, 6/2015, 134 [German]
  • Federal Patent Court:Value of the object and amount of the legal costs in the utility model cancellation proceedings, Decision of 25.11.2014, 35 W (pat) 12/12, GRUR-Prax, 3/15, 70 [German]
  • Federal Court of Justice: University of Applied Science not a scientific University in the sense of the PatAnwO, beck-online  magazine, GRUR-Prax Edition, 6/2014 [German]
  • German cost law in intellectual property rights: chosen problems, GRUR-Prax, 15/2013, 327 [German]
  • Clinic marketing with Web 2.0, 1. Edition, among with Kohlhammer, 2013 [German]
  • Patent rights commentary, PatG, GebrMG, IntPatÜG, PCT and EPÜ, (Hrsg.: Fitzner/ Lutz/ Bodewig) Munich: Verlag Franz Vahlen, 4. edition, 2012, Link to the shop. [German]
  • Italian torpedo 2.0 – Comments on Regional Court Düsseldorf, GRUR-RR 2009, 402 – Italian torpedo and Higher Regional Court, GRUR-RR 2009, 401 – Torpedo, GRUR-RR 2009, 373 [German]
  • The superlative advertisement in unfair competition – material and procedural aspects, WRP 2007, 127 [German]
  • Online-auctions based on US-right, In: Hoeren/Müglich/Nielen, “Online-Auktionen – Eine Einführung in die wichtigsten rechtlichen Aspekte”, 1. edition 2002, Bielefeld [German]


  • Best practices in Licensing, LES YMC, Hong Kong, China, 30 November 2018
  • Secrecy protection in the company – The Implementation of the Know-How Directive, AGEM Fall conference, Berlin, 10 November 2018
  • Secrecy protection in the company – The Implementation of the Know-How Directive, Syndic Lawyers Conference, Berlin, 09 November 2018
  • Kather Breakfast – The Implementation of the Know-How Directive, Kather Augenstein Rechtsanwälte, 07 November 2018
  • Dangers with foreign intellectual property, Automotive Law, Kloster Hornbach, 29 September 2018
  • E-Health: Innovation and healthcare, LES YMC, Zurich, Switzerland, 13 July 2018
  • Specialist lawyer course, Düsseldorf, 08 June 2018
  • A presentation on FRAND, LES Benelux Complex Clauses Topic Day, Leuven, 15 November 2017
  • The UPC, LES Webinar, 19 July 2017
  • “Scope of protection of patents“, Lecture in connection to the candidate course for patent lawyers, Düsseldorf, 11 October 2017
  • Intellectual Property: Cost risk and risk assessment in patent law, DAA, Online seminar, 04 Oktober 2017
  • UPC 2: Tangled – an interactive game of interests in licensing under the UPC/UP, 5th Pan-European LES YMC Conference, Budapest, 15 September 2017
  • “UPC-status quo“, Presentation at Kather Breakfast of the firm Kather Augenstein, Düsseldorf, 3 May 2017
  • New business models and industry in times of change- chances and risks for company security, 11. Safety conference of the BfV and ASW Federal association, Federal office  for the protection of the constitution, 27 April 2017, Berlin
  • Current topic “Federal Court of Justice decision on inspection proceedings“, Fall conference AGEM, Berlin, 12 November 2016
  • The lawful and unlawful acts of acquisition use and disclosure of trade secrets, EU Directive on Trade Secrets: Challenges and Perspectives, 4th Pan-European LESI Young Members Event, Madrid, 4 November 2016
  • Legal comparison – Japan, France, Germany, United Kingdom, Mock-Trial, Paris, 23 September 2016
  • The Unified Patent Court System – Remodelling the European Patent Litigation Landscape”, WYBA Summer Conference and AGM, Düsseldorf, 24 June 2016
  • The Protection of Trade Secrets, Deutscher Anwaltstag 2016, Berlin, 3 June 2016
  • Introduction in the patent infringement proceedings, Day conference with Judge of the Regional Court Düsseldorf Dr Berenice Thom, AGEM, Düsseldorf, 29 April 2016
  • Intellectual Property: Cost risk and risk assessment in patent law, DAA, Online seminar, 21 April 2016
  • Latest News on the Unitary Patent System & Licensing – Lesi´s 3rd Pan-European YMC Event, Munich, 3 July 2015
  • Amount in dispute and cost determination in patent matters, German Lawyers’ Academy, Munich, 21 March 2015
  • Roundtable on EU Directive Proposal on Know-How and Trade Secret – 2nd Pan-European LESI Young Members Event, Paris, 14 November 2014
  • Preu seminar, “The Unified Patent Court – intensive and up-to-date” Preu Bohlig & Partner, Düsseldorf, 14 March 2014
  • Cost regulation in industrial property rights (including patent law), seminar, German Lawyers’ Academy, Best Western Hotel Cristal, Munich, 29 June 2013
  • HTC’s proceedings in Europe, Whistler Intellectual Property Conference 2013, St. Anton, Austria, 03 – 07 March 2013
  • Cost regulation in industrial property rights, GRUR Seminar, Düsseldorf, 30 June 2012