AI Summaries
Concise summaries, ratio decidendi and key points drawn from the full judgment text.
UK legal intelligence
Trusted by legal professionals across the United Kingdom
The modern standard for UK legal research
Full-text search across UK appellate judgments, AI summaries, and a research workspace built for barristers, solicitors and academics.
Available onWeb
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Works onMobile
All UK judgments in one workspace
Search across Supreme Court, Privy Council and Court of Appeal, with AI beside the text.
Enter case name, citation, legal principle...
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Recent Judgments
R (on the application of Watchdog) v Secretary of StateUK Supreme Court
12 Sep 2024
Smith v JonesCourt of Appeal
03 Sep 2024
Williams v City CouncilPrivy Council
28 Aug 2024
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Diary
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UK Supreme Court
Full-text judgments
Privy Council
Full-text judgments
Court of Appeal
Full-text judgments
34
Courts covered
Full text
Judgments
196
UK Acts
AI
Summaries & headnotes
Features
Everything you need for modern legal research
From AI headnotes to OSCOLA citations and an advocate diary — one workspace for how UK lawyers actually work.
Citation Tools
OSCOLA-ready citations, with export to PDF and Word on eligible plans.
Legislation
196 UK Acts from legislation.gov.uk, alongside the case law.
Advocate Diary
Track hearings, deadlines and matters, with notes attached to each file.
Advanced Search
Natural language, citation and party search, filtered by court and date.
Appellate Coverage
34 courts currently in the database, ingested from Find Case Law.
Save & Organise
Bookmark judgments, keep notes, and return to a matter without starting again.
Research Assistant
Ask a question in plain English and get an answer tied to judgments in the database.
Product tour
One workspace. Every step.
See how Judisyn turns the judgments we hold into clear, connected research.
Web application
Search judgments in one place
A focused research screen with filters for court and date, plus a preview of the citation and parties.
- Natural language, citation and party search
- Filter by court and date range
- Judgment text with the AI panel alongside
judisyn.uk/search
breach of fiduciary duty Search
UK Supreme Court
2018 – 2026
UK Supreme CourtLandmark
R (Miller) v The Prime Minister
UK Supreme CourtEmployment
Royal Mencap Society v Tomlinson-Blake
AI summary
Read the holding before the full report
The assistant extracts a summary, the ratio and the issues, and you check every point against the judgment itself.
- Summary, facts, issues and ratio
- Answers grounded in the judgment text
- A local model is available for sensitive work
judisyn.uk/judgments/summary
AI summary
Check against the report
Held
The Prime Minister’s advice to prorogue Parliament was unlawful because it frustrated constitutional principles.
Issues
Ratio
Courts may review prerogative powers that undermine Parliament’s constitutional role.
Citations
See how the authorities connect
Move from a judgment to the cases it discusses, and export an OSCOLA citation when you are ready to write.
- Neutral citations on every judgment
- Related authorities from the same corpus
- OSCOLA export on eligible plans
judisyn.uk/citations
Miller (No 2) [2019] UKSC 41
Miller (No 1) [2017] UKSC 5
Cherry [2019] CSIH 49
UKSC
OSCOLA
Advocate diary
Hearings and deadlines in one list
Keep matters, next dates and notes together, and open the judgment you saved for that file.
- Calendar, agenda and day sheet
- Deadlines and hearing clashes
- Notes and bookmarks on each matter
judisyn.uk/diary
This week
New matter
14Oct
Example appeal — permission
15Oct
Example skeleton due
16Oct
Example conference
Why Judisyn
Built for the way UK lawyers research
Stop moving between court sites, PDFs and a separate notebook. Judisyn keeps the judgments we hold, AI notes and your diary in one place — and says plainly what it does not yet cover.
Research with the figures in the open
Coverage starts in 2001. Older leading authorities are not in this database.
Full textjudgments
34courts
2001earliest year
OSCOLAcitation export
Fast research
Full-text search with court and date filters, and a result you can open immediately.
AI, checked
Summaries and answers drawn from the judgment, for you to verify against the report.
Citations
Neutral citations on every case, with OSCOLA export on eligible plans.
Find Case Law
Judgments ingested from the National Archives Find Case Law service.
Your workspace
Bookmarks and notes stay on your account, available when you sign in.
Any browser
The same site on desktop, tablet and phone. No app to install.
Also for Indian law
Researching Indian law? Meet Judisyn.in
A separate Judisyn library for India: Supreme Court, High Court and tribunal judgments, with its own search, citations and mobile apps.
Visit Judisyn.inSupreme Court of India
Final appeals and constitutional cases, on the Indian site.
High Courts
State High Court judgments, searched on Judisyn.in.
Tribunals
Tribunal decisions included in the Indian library.
Web and apps
Judisyn.in is available on the web and as mobile apps.
Testimonials
Used by legal professionals
Barristers, solicitors and academics use Judisyn for UK appellate research.
“Judisyn has transformed how I prepare for hearings. The AI summaries alone save me hours every week.”
“The natural language search finds relevant authorities in seconds, not hours.”
“Students get a research tool that matches the way they already read a case.”
Pricing
Simple, transparent pricing
Free, Starter, Professional and Enterprise. Paid plans include a trial. Prices are in pounds, before VAT where it applies.
Billed yearly
Free
or £0 per month
£
0
/year
Free to start
- 10 searches/day
- 3 AI queries/day
Billed yearly
Starter
or £29 per month
£
290
/year
Yearly price shown
- 100 searches/day
- 20 AI queries/day
- AI assistant
Most used Billed yearly
Professional
or £49 per month
£
500
/year
Yearly price shown
- 500 searches/day
- 100 AI queries/day
- AI assistant
- Export and citations
Billed yearly
Enterprise
or £149 per month
£
1,490
/year
Yearly price shown
- Unlimited searches/day
- Unlimited AI queries/day
- AI assistant
- Export and citations
- API access
Need a firm or university subscription? Talk to our team
FAQ
Frequently asked questions
The short answers are here. The full list, including privacy and AI processing, is on the FAQ page.
Contact supportJudisyn currently holds full-text judgments from 34 courts, ingested from the National Archives Find Case Law service. The High Court, Crown Court, tribunals, and the devolved courts of Scotland and Northern Ireland are not included, though Scottish and Northern Irish appeals decided by the Supreme Court are. The coverage page lists the courts covered.
The earliest judgment in the database is from 2001. There is no earlier material, so older leading authorities are not here. Judisyn is for recent appellate decisions, not a full historic archive.
No. Judisyn runs in a modern browser on desktop, tablet and phone. Sign in and start from your dashboard.
It reads the judgment text and can draft a summary, extract the ratio, and answer a question about that case. Output can be wrong, so check every citation against the report. A self-hosted model is available so prompts need not leave our infrastructure.
Free, Starter, Professional and Enterprise. Paid plans include a trial. Export to PDF, Word and OSCOLA is on Professional and Enterprise.
Yes. The site is responsive. There is no separate UK app to install.
Start your legal research today
Create an account and search the UK appellate judgments Judisyn holds — summaries, citations and your diary in one place.