Press release 09 April 2018

Arsene advises Questel in the framework of a new equity investment from IK Investment Partners

IK Investment Partners has announced the start of exclusive negotiations to take a stake in Questel, IP software and service supplier. This comes three years after the investment of Raise and Capzanine in Questel.

Questel is a former division of France Telecom and earns most of its revenue from databases that record patent filing in real time around the world. The company has a staff of 215 in Europe, the Americas and Asia, with a total revenue of 45 million euros in 2017.

The team at Arsene was in charge of the Tax Vendor Due Diligence and was constituted of David Chaumontet, Partner and Matthias Heyberger, Manager.


Other parties involved were:

IK Investment Partners : Dan Soudry, Rémi Buttiaux, Vincent Elriz, Déborah Collignon
Buyer Strategic DD : ATK (Jérôme Souied, Julien Vincent)
Buyer Financial DD : Ernst & Young (Daniel Benquis, Eric Roussel)
Buyer Legal advisor : Willkie Farr & Gallagher LLP (Eduardo Fernandez, Grégory de Saxcé, Paul Lombard)

Raise Investissement : Mathieu Blanc, Vincent Sauzay
Capzanine : Christophe Karvelis, Thomas Lafougère
CEO : Charles Besson
Seller Financial advisor : DC Advisory (David Benin, Alexis Matheron)
Seller Financial DD : Eight Advisory (Justin Welstead)
Seller Legal advisor : Mayer Brown (Olivier Aubouin, Marine Ollive)
Seller Legal DD : K&L Gates
Management advisors : Oloryn Partners (Roland de Farcy) and Desfilis (Guillaume Giuliani)

About Arsene

Arsene is the first, exclusively tax-centered independent law firm. The firm is a founding member of the Taxand International Network (50 countries, 400 partners, 2000 tax experts) and is not affiliated to an audit or legal firm.

Arsene was founded in 2004 to offer tailored services in all major fields of tax law. With 21 partners among the top 100 tax experts in Paris, Arsene advises and supports clients in tax management in an international environment.

Media contacts: Enderby

Franck Moulins – T +33 (0)1 83 64 71 79 –

Damien Piganiol – T +33 (0)1 83 64 71 77 –