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last will and testament with pen

Mirror or Mutual Will? Make sure you know the difference.

14th February 2019 by Rob Kelly

Categories: Private Client News
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Many partners like the idea of making their wills together but they may not understand that there is a choice between making a mirror will and making a mutual will.  There is a critical difference between them, and one which had great significance in the case of Legg and anor v Burton and ors.

Mirror wills are executed in terms that mirror each other but they do not bind the survivor.  Mutual wills are like mirror wills but they are legally binding on both parties, even after the death of the first.  The legally binding nature of mutual wills creates a trust over the survivor’s assets so that those assets cannot be disposed of by the survivor.

In Legg, a married couple made wills in July 2000 by which they left their assets to each other and then, on the death of the survivor, to their children.  The husband died.  His wife survived him by 15 years but in that time she made 13 more wills.  Her last will stated to leave a modest legacy to her daughters (who were intended to share the estate between them under the original will made in 2000) and the balance of her estate to her grandchildren.

The daughters sought to overturn the last will on the ground that the wills executed by their parents in July 2000 were mutual wills.  The daughters gave evidence that it had been agreed between their father and their mother that neither of them would revoke their wills, nor be entitled to change the terms of their wills, nor to leave their joint estates to anyone other than the daughters.  The court upheld the daughters’ claim and ordered that the late mother’s estate must be held by her personal representatives on trust for the daughters to give effect to the will which she made in July 2000, and not her last will made in December 2014.

To avoid disputes of this sort it is very important to seek legal advice so that the documents which are executed reflect the intentions of the parties.

If you would like further information about this article please contact Rob Kelly.

Rob Kelly

Senior Associate — Dispute Resolution

Direct dial: 01202 377871


Rob Kelly
  • “A first choice for truly contentious Litigation in Automotive and Asset Finance and Leasing. His pure skill in tricky work wins through time and again and adds real value compared with the so called 'top tier' litigators. Truly capable, amenable and commercially minded business partners, the 'master chessmen' of their specialty.”

    Paul Maxted, previously the In house Legal Adviser and Company Secretary nearly 20 years, all Financial Services related companies in UK for Daimler, Mercedes-Benz

  • “I have had the pleasure of working with several members of the team at Laceys regularly over a period of years. I found Rob Kelly in particular, who worked on a successful litigation case for me over a period of several years to be outstanding in all aspects of the work he undertook, and the manner in which he did it. I now consider him a friend. I would not - and have not - hesitated to recommend Laceys to my family and friends, and continue to use them for all legal matters.”

    Dan Collins

  • “ I just wanted to thank you for your great work on the professional negligence case and other cases you have represented Indian Ocean and Tiien through the last few years.”

    Mehdi Vahdati, Director and Proprietor - Indian Ocean (Bournemouth) Limited

  • “I've worked with a fair few lawyers over the years and Rob Kelly is the most on the ball and efficient lawyers I've ever come across. I'm looking forward to working together for many years to come.”

    Roger Woodall, CEO - Diamond Sporting Group

Rob is an Associate Member of the Chartered Institute of Legal Executives (September 2009).  Rob also holds an LLB (Hons) degree in law.  He successfully completed training as a mediator under the ADR Chambers / Harvard Law Project Scheme and was one of the first mediators to have been appointed an IMI Certified Mediation Advocate in the UK with a commercial practice.

Rob specialises in dispute resolution through litigation, arbitration and mediation, with particular emphasis on contractual disputes, claims involving allegations of professional negligence (which he has prosecuted on behalf of commercial and private clients and defended on behalf of insurers, re-insurers and Lloyd’s syndicates). He is regularly instructed in connection with substantial disputes involving contractual, professional negligence, contentious probate issues.  Rob also deals with contentious property and landlord and tenant issues.

Rob’s style is a mix of listening, asking (tough) questions, diplomacy and reality testing. He’s interested, flexible, and pragmatic. He offers a common sense, realistic approach to assist his clients in searching for solutions to their disputes and brings straight talking and integrity to his work.

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