William Seagrim

William Seagrim

William Seagrim is an associate member of chambers. He teaches full - time on the BPTC at Cardiff University and only has limited availability to accept instructions, outside term-time.

Year of Call: 2007

Clerks: James Watson / Lee Fifield

William is a specialist family law practitioner with a practice in all areas of private and public children law and finances including financial remedies, cohabitation disputes and schedule 1 applications.

His is recommended by Chambers UK 2016 as an "up-and-coming junior who advises on all aspects of family law, acting on care cases and financial remedies. Receives instructions in abuse and neglect cases, including matters involving cross-border issues." Their researcher was told "we were really impressed: he blew us away with the knowledge and familiarity with case law he displayed in his work."

The Chambers UK 2015 edition said he was "deserving of wide recognition" and that "he is an up-and-coming junior who is very confident and very able."

William regularly deals with cases involving allegations of physical abuse, sexual abuse and neglect. In matters of familial and inter - sibling abuse, William has acted for the local authority, adults and children (representing both alleged perpetrators and victims).

William is frequently instructed in financial remedy proceedings and other financial disputes arising out of family breakdown, including cohabitation disputes and claims under TOLATA 1996 and schedule 1 CA 1989.

William has experience of dealing with cases involving an international element. In children proceedings, this has included issues of jurisdiction, child abduction and leave to remove (temporarily and permanently). In financial remedy proceedings, this has included issues of foreign assets, foreign proceedings and foreign maintenance orders.

William has a passion for family law. He is dedicated to his clients’ cases, approachable and meticulous.

Notable Cases:

Re HA (A child) (no 2) [2015] EWHC 1310 (Fam); [2015] Fam. Law 775 - an issue of jurisdiction following a transfer of the proceedings to another member state of Brussels II bis and consideration of what jurisdiction had been transferred under Article 15 BII bis. Mr Justice Baker outlined several lessons learnt regarding the consideration and approach to Article 15 BII bis transfers.

Bristol City Council v AA & HA [2014] EWHC 1022 (Fam); [2014] Fam. Law 965 - issues of jurisdiction in respect of habitual residence and an application under Article 15 BII bis. This led to an invitation being made to the Republic of Lithuania to transfer the proceedings.

LJ v JD [2013] EWHC 3632 (Fam) - contested committal proceedings and sentencing for breaches of an undertaking given in family proceedings.

In re TJ , NJ, TJ & JJ [2012] - public law children case determining parental neglect and allegations of sibling and intervenor sexual abuse, including a 12 day fact finding hearing where William was lead by Owen Thomas against numerous parties lead by silk.

LLB Hons (Wales), 1st Class
BVC, Outstanding

Lord Williams of Mostyn Achievement Award  (Advocacy award, Cardiff University, 2007)
Angel Chambers Prize (Criminal practice award, Cardiff University, 2007)
Sir Samuel Evans Prize (Best final year law student, University of Wales, 2005)
Best final year law student (Swansea University, 2005)

Professional Membership:

Family Law Bar Association
International Society of Family Law
Wales and Chester Circuit
The Honourable Society of Gray’s Inn

Other Experience:
Part - time lecturer on the BPTC, Cardiff University.
Advocacy Training Council accredited to teach advocacy.
Regular provider of CPD lectures and seminars.