Legal Research · Review
Decisis
Our verdict
A practical, low-cost primary-law tool that many lawyers get free through their bar.
Best for: Solos and small firms needing affordable case law and a citator, especially where their bar provides it free.
Watch out for: Free through many state bars, so check yours first. Online purchase is limited to one- and two-attorney firms, and plans appear to be annual commitments. Bar versions may lack Premium Plus features. No secondary sources.
Primary-law research database with case law, nationwide statutes and rules, the InterCite citator and, on Premium Plus, forms and dockets for 1,400+ courts.
Direct link to the vendor’s website. We don’t earn a commission from this link.
How we research: Researched from vendor documentation, pricing pages and user sentiment. Our methodology
- Best for
- Solos and small firms needing affordable case law and a citator, especially where their bar provides it free.
- Probably not for
- Firms relying on treatises and secondary sources
- Pricing
- See pricing notes
- Last checked
Pros & cons
Pros
- Free through many state bars
- InterCite citator on every plan
- Premium Plus adds forms and 1,400+ court dockets
- 7-day free trial
Cons
- Online purchase only for 1–2 attorney firms
- Annual commitment likely
- No secondary sources
- Bar versions may lack Premium Plus features
Who it’s for
- Best for
- Solos and small firms needing affordable case law and a citator, especially where their bar provides it free.
- Solos and two-lawyer firms
- Lawyers whose bar offers Decisis
- Probably not for
- Firms relying on treatises and secondary sources
- Firms of 3+ wanting to buy online
Use cases: Legal Research · Practice: — · Software: Research Platforms
Pricing
- Status
- See pricing notes
- As the vendor publishes it
- Free through many state bars; online plans for 1–2 attorney firms; not published; ask Decisis for small-firm pricing in writing (decisis.com/purchase, checked 2026-10-15).
- Checked
- Before you buy
- Ask the vendor for a written quote, the minimum number of users, the contract term, and whether AI features cost extra.
Pricing changes; confirm with the vendor.
Alternatives
Legal Research
vLex Fastcase
Legal research database of cases, statutes, regulations and court rules with the Cert citator, offered free through many state bars.
Best forSolos and small firms wanting free case law research and a citator through their bar membership.
Legal Research
CourtListener
Non-profit free legal search engine and alert system for case law, PACER documents, judges, and oral arguments (Free Law Project).
Best forFree case-law searching and docket alerts, for lawyers and the public.
Legal Research
Descrybe
Low-cost US primary-law research with its own citator (Cytator); a standalone platform or a Legal Engine that plugs into ChatGPT, Claude, Copilot and Perplexity.
Best forBudget-conscious solos and small firms, and lawyers wanting grounded citations inside the AI assistant they already use.
Legal Research
Westlaw
Thomson Reuters' legal research platform with KeyCite, Key Numbers and headnotes; Westlaw Advantage adds AI tools such as Deep Research and the Litigation Document Analyzer.
Best forLitigators and research-heavy practices that rely on KeyCite and editorial research.
Sources
Vendor pages we checked, accessed 2026-10-15.
FAQ
Who is Decisis best for?
In our verdict: Solos and small firms needing affordable case law and a citator, especially where their bar provides it free.
What should I watch out for with Decisis?
In our verdict: Free through many state bars, so check yours first. Online purchase is limited to one- and two-attorney firms, and plans appear to be annual commitments. Bar versions may lack Premium Plus features. No secondary sources.
How much does Decisis cost?
Free through many state bars; online plans for 1–2 attorney firms; not published; ask Decisis for small-firm pricing in writing (decisis.com/purchase, checked 2026-10-15).