Claudia Janssen

Claudia JanssenClaudia Janssen | lawyer


Claudia has been working as a lawyer in Rotterdam, the Netherlands, since 1997, of which 17 years associated with a reputable big (international) law firm (Loyens & Loeff) and since 2015 as a partner of a boutique law firm. She was one of the founders of the corporate & commercial boutique law firm in Rotterdam (Quint Legal) (2015-2018) and, as of 2019, she is a partner at the boutique law firm Sørensen Advocaten.


Claudia is specialized in (international) contract law, private construction law and commercial litigation. She has ample experience in setting-up contractual relationships (commercial co-operations, distribution/sales, procurement, licenses, general conditions), legally supporting construction & engineering projects (turnkey, EPC, Fidic, UAV-GC) and dealing with contractual disputes. Claudia is a member of the Construction Law Association (including the Society for Construction Law Attorneys), the Dutch Association for Procedural Law and the Association for Distribution, Franchise and Agency Law.


As a modern and open-minded lawyer, Claudia supports entrepreneurs and companies to meet their international objectives. She combines high quality services with personal dedication and flexibility. Clients praise Claudia for being dedicated, focused on the best solution (both from a legal and a commercial perspective) and easy to work with. Clients also say about Claudia that she is accessible, committed and solution-oriented.


Within the alliance of Sørensen Advocaten, Claudia is associated with Lemon Legal B.V. Kindly note that Lemon Legal does not form a (general) partnership (in Dutch: “maatschap” or “vennootschap onder firma”) with any of the other (practice) companies of Sørensen Advocaten / with the maatschap Sørensen Advocaten.


Claudia has registered the following main (and sub) areas of law in the Register of Jurisdictions of the Dutch Bar Association: (i) contract law (agency and distribution); and (ii) real estate law (construction law). Pursuant to this registration, she is required to obtain ten training credits in each registered principal area of law each calendar year according to the standards of the Dutch Bar Association.


Please feel free to contact Claudia at and/or +31 (0)6 51 61 5344.