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London

Founded in 2012, Signature Litigation has grown into one of London’s pre-eminent specialist dispute resolution practices. From the outset, we set out to do things differently: a conflict-free, disputes-only platform designed to give clients the undivided focus and strategic agility that complex, high-stakes matters demand.

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Gibraltar

Established in 2017, Signature Litigation's Gibraltar office was founded to address growing demand for specialist expertise in commercial litigation and private wealth disputes on the Rock.

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Paris

Signature Litigation AARPI houses one of France’s most enviable product liability practices, with the team also handling commercial and corporate litigation, insurance and reinsurance, toxic tort and ESG, civil fraud and asset tracing, international arbitration, administrative and public law.

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Frankfurt

Frankfurt has emerged as one of Europe's foremost financial and commercial centres and, increasingly, as a bridge between European and Asian markets. With that growth comes an increasing demand for sophisticated dispute resolution. Signature Litigation established its Frankfurt office to meet this need, bringing our conflict-free, disputes-only platform to the German market.

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Ulrich Helm

Partner

In his own words:
In his own words:

The quality of their service has always been exceptional. The team excels at developing and coordinating litigation strategies that are not only thorough but also realistic and perfectly aligned with clients’ expectations. 

– The Legal 500 EMEA 2026

The team is excellent, always ready to meet our needs and anticipate risks and expectations.

– The Legal 500 EMEA 2026
Very good advice, to the point and with attention to detail. 
– The Legal 500 EMEA 2026

Ulrich is a Founding Partner of Signature’s Frankfurt office specialising in litigation and arbitration, both before national and international courts and tribunals.

With over 30 years’ experience as counsel, Ulrich represents corporations in all areas of civil law disputes, both in state courts and under the arbitration rules of many of the major arbitration institutions including the LCIA, ICC, DIS and ADCCAC.

Ulrich has a particular focus on complex, business-critical disputes that require strategic planning. He has significant experience in construction and engineering, joint ventures, IT and shareholder disputes. His expertise primarily lies in the energy sector (oil & gas, offshore wind, power plants and special ships), the infrastructure sector (tunnelling, bridges) and IT projects.

He is a skilled negotiator known for settling matters in a timely manner with beneficial results. Ulrich is particularly known for his expertise in Scandinavia and the Netherlands although his experience over the years spans many geographical regions including MENA.

While Ulrich’s practice focuses exclusively on litigation and arbitration, he began his career in the Project’s group of an international law firm, acting for international corporates financial institutions and in relation to the development of large energy and infrastructure projects.

Ulrich’s construction practice increasingly includes appointments as a Dispute Adjudication Board member.

Ulrich has been ranked by Best Lawyers for construction law from 2013 until today.

From 2023 until today the Lexology Index recognized him as ‘Thought Leader for Construction’, having ranked him already since 2016 as leading individual: “Ulrich Helm is highly valued by colleagues for his strategic thinking.” Prior to joining Signature Litigation, Ulrich was the German head of Mayer Brown’s dispute group and before that he led Hogan Lovells’ German Energy and Infrastructure group.

He has also been recognised in the 2024 Mondaq Thought Leadership Awards for Real Estate and Construction in Germany, winning the award as part of a cohort of leading lawyers globally. The Mondaq Thought Leadership Awards recognises the leading lawyers who have demonstrated exceptional knowledge and insight, providing valuable legal insights and advice to our global audience.

Prior to joining Signature, Ulrich was a Partner at Mayer Brown. Ulrich is admitted to the Frankfurt bar, and he works in both German and English.

National and International Disputes

  • Representing an international manufacturer of large-scale plants in a EUR 500m civil lawsuit for delay and disturbance claims in connection with the construction of an offshore plant.
  • Represented a German utility company in a EUR 400m ICC arbitration against an offshore wind farm operator, achieving a favourable settlement.
  • Representing a machine manufacturing company in a EUR 250m ICC arbitration against a foreign consortium for defects and consequential damages because of an aborted tunnel project under Swiss and French law.
  • Representing a German offshore wind turbine manufacturer in a USD 250m lawsuit against the construction company of an Italian oil producer due to one of the largest incidents on a drilling vessel with a court hearing of 27 days before the High Court in London.
  • Representing a German drilling rig manufacturer in the English Commercial Court, London in a EUR 250m case concerning an alleged defect.
  • Representing a German energy supplier in a EUR 150m court case in London and Paris against a Korean power plant builder arising from delays, malfunctions and defect claims in connection with the repair of a French power plant under English law.
  • Representing a wind turbine supplier in two DAB adjudications against the buyer and the operator of an offshore wind farm in connection with numerous defects, delay and obstruction claims valued at EUR 120m.
  • Representing a German contractor in 17 parallel DIS arbitrations concerning numerous defect claims in connection with a EUR 100m pulp mill project.
  • Representing a German construction and engineering company in its various claims with an overall value of more than EUR 100m against its employer in connection with the design, construction and installation of a drilling rig for the Jotun offshore oil platform and the Oseberg Syd gas platform, located on the Norwegian Continental Shelf, including settlement negotiations, litigation before Norwegian courts in cooperation with Norwegian local counsel.
  • Representation of a German energy supplier in a EUR 85m dispute concerning damages for delayed feed-in in the German courts.
  • Representing a German supplier in a EUR 80m DIS arbitration concerning delay, disruption and acceleration claims in connection with a German offshore wind farm project.
  • Representing a German employer in a EUR 50m DIS arbitration concerning a notice of defects in a chemical plant.
  • Representing an international contractor in a EUR 50m ICC arbitration against its employer in connection with the construction of a power plant in Poland.
  • Representing the operator of an oil refinery in a EUR 25m ICC arbitration against its general contractor.
  • Representing a German utility company in a EUR 10m lawsuit due to a power plant deficiency.
  • Representing a German utility company in a DIS arbitration against a gas power plant owner for a defective boiler.
  • Representing a Belgian manufacturer of waste incinerators in a dispute with a German competitor about a waste-to-energy project in Qatar in the German courts.
  • Advising a JV of a Turkish and Dutch contractor in their court case in Amsterdam against the operator of one of the largest European airports because of alleged delays with the completion of an additional pier.
  • Representing a corporation in a German court case against their employer concerning the alleged derailment of the development of a gamification app.
  • Representing a corporation in its German court case against its supplier for the installation of new business software programme which allegedly failed.
  • Representing the shareholder of a real state corporation in its dispute against the other shareholder in German courts
  • Representing a Norwegian insulation contractor in a German court case against a German employer concerning delay claims relating to the construction of the semi-submersible Stena Don.
  • Representing a UK corporation in its litigation against a Swedish cold store contractor because of defective works in Swedish courts together with a local counsel.
  • Representing a German corporation in its litigation before German courts concerning the invalid termination of a cooperation agreement for developing biochemical reports allowing the production of fertiliser.
  • Advising a German platform manufacturer in its DIS arbitration against a Danish employer for delayed delivery.
  • Representing the contractor for an airport project in the MENA region in its arbitration against the employer because of a challenged termination.

Out-of-court negotiations with beneficial settlement

  • Advising a German offshore wind turbine and blade manufacturer in a EUR 200 million dispute over delayed turbines’ and blades’ installation.
  • Advising a German offshore blade manufacturer in a EUR 250 million dispute over delayed blades’ installation.
  • Advising a Scottish offshore drilling contractor in its final negotiations with a leading oil and gas producer regarding drilling and maintenance contracts in the Brent Field.
  • Advising a German construction and engineering company in its dispute over the delayed delivery of a drilling rig to the Chiraz field in Kazakhstan.
  • Advising a German platform manufacturer in its dispute with a utility company over defects due to steel corrosion.
  • Advising a German drilling equipment manufacturer in its dispute with a drilling contractor over breach of warranty leading to termination of contract.
  • Advising a German tunnelling company in its dispute with JV members in regard to a large PPP tunnelling project in UK.
  • Advising a German tunnelling company in its dispute with the employer about an underground rail tunnelling project in Sweden.
  • Advising a German tunnelling company in its dispute with JV members in regard with a Danish tunnelling project.
  • Advising a German contractor in its dispute with its employer about the allegedly delayed installation of HVAC systems for more than 12 war ships.

Article: Year-long delay to Belgium’s hydrogen pipeline project: is there legal recourse? – New Civil Engineer – 9 May 2025

Press Quote: Signature opens in FrankfurtGlobal Arbitration Review – 9 July 2024

Press Quote: Signature Litigation poursuit ses ambitions de croissance avec l’ouverture d’un bureau à FrancfortLe Monde du Droit – 5 July 2024

Press Quote: Signature Litigation announces Frankfurt office launch with Mayer Brown partner hires – Financial Times Full Disclosure – 4 July 2024

Press Quote: Signature Litigation poursuit ses ambitions de croissance avec l’ouverture d’un bureau à FrancfortThe Global Legal Chronicle – 2 July 2024

Press Quote: Mayer Brown partners join Signature to launch new office Partnerships Bulletin – 2 July 2024

Press Quote: Signature litigation announces Frankfurt office launch with Mayer Brown partner hiresSolicitors Journal – 1 July 2024

Press Quote: Signature Litigation Opens In Frankfurt With Mayer Brown Duo – Law360 – 1 July 2024

Press Quote: Mayer Brown duo defect to new Signature Frankfurt officeCDR News – 1 July 2024

Press Quote: Signature opens in Frankfurt with double partner hire from Mayer BrownThe Global Legal Post – 1 July 2024

Press Quote: Internationale Disputes-Boutique startet mit Team von Mayer BrownJUVE – 1 July 2024