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Legal Research apps and integrations
Legal Research apps give ChatGPT and Claude access to case law, legislation, court records, citations, and patent or trademark data for source-grounded research. Compare coverage by jurisdiction and source, then assess search, citation verification, docket access, legal updates, and support for contract or intellectual-property work.
28 apps
Top legal research apps
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Patent Connector
By Funktionslust GmbH
Search and read patents, trademarks, and registered designs from the major IP offices - right inside ChatGPT. Patents: full search and documents (claims, abstracts, descriptions) for the US (USPTO), Europe (EPO), and Germany (DPMA); patent search for Australia (IP Australia); and bibliography and legal status for Japan (JPO) and Taiwan (TIPO). Plus patent families, prosecution history and USPTO office actions, side-by-side comparison, and ownership/assignment records. Trademarks: search the EU (EUIPO) and Australia registers; status and documents for the US (USPTO/TSDR), EU, Japan, Australia, and Taiwan. Designs: search registered designs and view images for the EU (EUIPO), Japan, and Australia. Requires free API credentials from the offices you want to use - set up in minutes at patent.dev/patent-connector (free).
Tools: 47
News
Açık Silivri Havadis
By Can Tasdemir
Açık Silivri Havadis gives ChatGPT read-only access to public court records from the Istanbul Metropolitan Municipality trial, including hearings, attendees, transcript search, accusations, defenses, evidence, statements, expert opinions, and cross-examinations.
Tools: 30
Business
GoVeda Patent
By GoVeda
GoVeda Patent helps users search global patent records, retrieve patent content by publication number, find prior art for known patents, and generate AI-assisted novelty reports. Use it for patentability review, freedom-to-operate research, or patent landscape exploration. Results can include ranked patent matches, abstracts, claims, descriptions, dates, parties, legal status, citations, family data, CPC/IPC classifications, and standardized assignee names.
Tools: 13 · Prompts: 3
Productivity
Descrybe Legal Engine
By Descrybe
The Descrybe Connector gives Claude access to legal research tools for working with primary law. It can help analyze a research question, search cases by legal concept or exact wording, find cases from citations or messy references, extract authorities from pasted text, retrieve summaries, case PDFs, and focused opinion passages, search statutes and regulations, check case treatment status, find citing cases, and verify quoted language against known cases.
Tools: 13
Finance
ElevenFlo
By ElevenFlo Inc.
ElevenFlo streamlines chapter 11 bankruptcy research. Search cases, browse court dockets, and access summaries of complex legal filings. Review extracted filing text and structured bankruptcy data with verifiable citations linked to underlying court records.
Tools: 12
Business
LegisRatio
By LegisRatio s.r.l.
We provide a graph-powered infrastructure for programmatic access to an interconnected legal corpus of EU, Italian and Regional legislation and jurisprudence with precise temporal versioning. We empower agents integrating advanced semantic search, linguistic analytics, and real-time legislative monitoring into high-precision legal-tech and research applications.
Tools: 10
Productivity
FindIp
By leeonipl
FindIP searches patents by meaning, not just keywords. Describe a problem, a solution, or a technology in plain language and get the most relevant patents across the US, China, Japan, Korea, and Europe. Explore filing trends, drill into specific sections and claims, and analyze the patent landscape — all from the conversation.
Tools: 10
Productivity
Lawve AI
By Lawve AI
Browse a curated library of legal AI skills written by practicing lawyers, in-house counsel, and legal technologists. Every skill covers a specific workflow — contract review, NDA analysis, GDPR compliance, legal drafting, jurisdiction-specific research. Search the catalog from inside Claude to find the skill that fits your task and preview its practitioner-authored instructions. Bring expert guidance into your workflow — whether you're at a law firm, in-house, or building legal tech.
Tools: 9
Business
Daniel L. Nelson & Associates
By Noodle Seed
Daniel L. Nelson & Associates is a personal injury law firm based in Hawthorne, California, with over 35 years of litigation experience serving clients throughout Southern California. Founded by former insurance defense attorneys, the firm leverages insider knowledge to fight for plaintiffs against insurance companies. They handle auto and motorcycle accidents, personal injury claims, dog bites, and premises liability cases, offering free consultations and a no-fee guarantee. The Daniel L. Nelson & Associates ChatGPT App gives users access to general business information, such as the company's website and contact email address. The app also allows users to explore Daniel L. Nelson & Associates's service offerings, book meetings, and submit queries to the Daniel L. Nelson & Associates team.
Tools: 5 · Prompts: 2
Productivity
Spanish Law Research
By Alex Pervezentsev
Spanish Law Research helps users find Spanish legislation, inspect law metadata and article text, retrieve source-grounded excerpts, and review reform history with citations to BOE, and source URLs. The app is a read-only legal research assistant and does not provide legal advice, submit forms, or change any government or third-party system.
Tools: 5
Business
VectorGov
By ETAL DEV
VectorGov helps users research Brazilian federal public procurement legislation from ChatGPT. Users can search curated legal sources, consult exact article text, locate literal terms, browse specialist-created themes, and verify answers with evidence links to source documents.
Tools: 5
Productivity
Juridata
By JURIDATA SARL
Juridata brings Moroccan legal research directly into ChatGPT. Search thousands of court decisions (jurisprudence) and legal texts, then open the full document in seconds — no more digging through scattered databases. Ask in plain language and Juridata surfaces the relevant rulings and statutes, with filters by court chamber, year, and legal category. Whether you're a lawyer building a case, a law student researching precedent, or a business checking your obligations, you get answers grounded in real Moroccan legal sources. The first AI legal research assistant for Morocco and North Africa in ChatGPT — making the region's case law and legislation searchable, readable, and instantly accessible.
Tools: 4
Productivity
Midpage Legal Research
By Midpage
Connect Claude to a database of case law. With the Midpage MCP, Claude can conduct complex legal research, review opinions, and craft high quality work product. Everything is hyperlinked to real sources for easy verification.
Tools: 0 · Prompts: 1
2026-04-25Productivity
Simpliciter AI
By Atmos Media S.r.l.
Simpliciter AI connects ChatGPT to your Simpliciter legal research account. It helps you discover the legal sources available to you, run semantic research across enabled databases, and retrieve specific statutes, case law, regulations, administrative guidance, or other legal materials by exact reference. Results include structured citations and source links, so you can ask ChatGPT to compare authorities, summarize legal materials, and draft research notes grounded in the sources returned by Simpliciter.
Tools: 3
Business
Trademark Dashboard
By Trademark Dashboard
Trademark Dashboard helps founders, sellers, agencies, and legal teams search the UK trademark register from ChatGPT, review an automated risk preview, inspect similar marks. Results are informational only and are not legal advice. The app provides a free UK trademark search and automated informational risk preview. It does not sell products, collect payments, create checkout sessions, or direct users to a checkout inside ChatGPT. Users may continue their trademark research on Trademark Dashboard via a standard website link.
Tools: 1 · Prompts: 1
Productivity
TopCounsel by The L Suite
By The L Suite
Find the right outside counsel for your specific matter based on insights and rankings from The L Suite -- the leading community of 5000+ inhouse counsel. Our proprietary ranking algorithm is driven by overall aggregated member sentiment, speaking engagements and content of each outside counsel, evidence of expertise provided by outside counsel, outside counsel interviews and other internal datasets. Learn more at topcounsel.ai and lsuite.co.
Tools: 1
Productivity
Trellis
By Trellis
Trellis - Claude for Trial Court Litigators gives Claude direct access to the largest state trial court dataset in the U.S. — including dockets, rulings, verdicts, and filings — enabling legal research, judge and opposing counsel analytics, expert witness vetting, and motion drafting grounded in real precedent.
Tools: 24
Productivity
Definely
By Definely
Definely's MCP server gives AI assistants live, deterministic access to contract structure. Resolve definitions, validate cross‑references, map dependencies, and run structural diffs to see how edits propagate across an agreement. Use it to catch broken links and inconsistencies, explain impacts clearly, and ground legal reasoning in contract topology, not just text.
Tools: 20
Business & Operations
Lightbringer
By Lightbringer
Lightbringer helps users work with invention disclosures, patent documents, review comments, and patent-analysis feedback from their private organisation workspace in ChatGPT.
Tools: 17 · Prompts: 1
Productivity
CourtListener
By Free Law Project
Connects Claude to CourtListener, the Free Law Project's legal research platform, with access to millions of U.S. court opinions, PACER dockets, judge profiles, oral arguments, and citation data. Search case law across federal and state courts, retrieve full case metadata, extract and verify legal citations against a canonical database, and set up alerts for new opinions or docket updates. Built and operated by Free Law Project, a 501(c)(3) nonprofit dedicated to making the law broadly accessible. Suited for attorneys, legal researchers, journalists, academics, and pro se litigants who need fast, reliable access to primary legal sources.
Tools: 14
Data
Clarivate IPOne CompuMark Trademarks
By Clarivate
Clarivate IPOne CompuMark Trademark MCP helps teams search, review, and validate trademarks faster across global trademark registers. It combines broad jurisdiction coverage with flexible search options for mark names, phonetic variations, applicants, classes, goods and services, and filing details. Users can quickly assess result volumes, retrieve record details, access goods text, and open full-text records—making the server a strong fit for brand clearance, watch support, and trademark research workflows.
Tools: 9
Productivity
Solve Intelligence
By Solve Intelligence
Connect to Solve Intelligence for patent workflows directly in Claude. Search across patent and non-patent literature, legal texts and case law, SEP technical standards, and the open web. Ask Claude to find prior art or infringing products, conduct legal research, map claims to standards, and analyse or draft patent documents.
Tools: 9
Productivity
Legal Data Hunter
By GoodLegal
Legal Data Hunter is trying to build the world's first omni-jurisdictional legal database, giving Claude access to 23M+ documents from 160+ jurisdictions in one MCP server. We ingest directly from official registries : Légifrance, EUR-Lex, BOE, RIS, the Bundesgerichtshof, the European Court of Human Rights, and 180+ more, covering EU consolidated law, supreme and constitutional court case law, and official doctrine. Resolve loose citations (ECLI, CELEX, case numbers), search with hybrid semantic + keyword filters, and fetch full document text. Authoritative primary sources only, no scraped web copy.
Tools: 7
Productivity
Harvey
By Harvey
Bring Harvey's legal intelligence into Claude. The Harvey MCP server supports general legal inquiries, analysis over Vault projects, and research questions for select knowledge sources. The server also exposes discovery tools to list available Vault projects and knowledge sources, so you always know what is available for access.
Tools: 5
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