Katherine Pymont

Katherine is a Partner in the Dispute Resolution Team who specialises in Trust and Estate Disputes.

Katherine’s experience in the field of Trusts and Inheritance Disputes covers challenging the validity of wills (including claims for lack of testamentary capacity, want of knowledge and approval, fraud, forgery and undue influence), claims under the Inheritance (Provision for Family and Dependants) Act 1975, removal of executors and trustees, breach of trust claims, fraud cases involving trust structures and professional negligence claims relating to wills and trusts.

Katherine also works in Court of Protection matters including disputes over an appointment of a deputy or attorney, disputes around a vulnerable person’s mental capacity, challenging gifts made by a deputy or attorney, disagreements arising in relation to statutory wills, challenging personal welfare decisions and disputes arising in relation to whether the deputy or attorney is acting in the best interests of a vulnerable person.

Katherine’s background is in broader high profile and complex litigation. Notably Katherine acted for Genting Casinos in the landmark Supreme Court win against Phil Ivey in which the longstanding criminal legal test for dishonesty was overturned and for the Financial Conduct Authority in successfully defending proceedings challenging the interpretation of Russian sanctions in both the Administrative Court and the European Court of Justice.

Katherine is a regular contributor of written content to both mainstream and specialist publications in the field of Trust and Estate Disputes including Today’s Wills and Probate (monthly contributor), Spears Magazine, The Trusts and Estates Law and Tax Journal, the ACTAPS Newsletter, Charity Times and Wealthbriefing. She is the author of the Westlaw guidance on removal of trustees. She also writes a popular quarterly update on recent Trust and Estate cases, which is often republished by STEP and other content providers.

Katherine is an affiliate member of the Society of Trust and Estate Practitioners (STEP). She obtained a distinction in the STEP Advanced Certificate in Trust Disputes and is recommended in the Legal 500 in the field of Contentious Trusts and Probate. Katherine is listed in the Pro Bono Recognition List 2025.

Areas of Experience

- Trust and Estate Disputes;

- Court of Protection;

- Professional Negligence;

- Harassment; and

- Injunctions.