An intellectual-property legal toolkit covering early checks and administrative tracking for trademarks, patents, copyright takedowns, open-source software, contracts, and registrations. It provides first-pass triage rather than replacing professional legal advice.

Use it for initial trademark and patent checks, invention screening, cease-and-desist and DMCA letters, open-source compliance, IP contract clauses, and registration or renewal tracking.

It brings several recurring IP checks and deadlines into one set of workflows, so potential conflicts, compliance issues, and renewals are less likely to be missed.

ip-legal — Plugin for Claude Code by anthropics/claude-for-legal

About the project

Claude for Legal is a collection of AI agents, skills, and data connectors for legal work such as commercial, privacy, employment, litigation, regulatory, and intellectual-property matters. Lawyers and legal teams use it through Claude Cowork, Claude Code, or the Claude Managed Agents API, with attorney review required for every output. The catalogue entries are its workflow plugins, skills, agents, and connectors.

anthropics/claude-for-legal · 9,991 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo

git clone --depth 1 https://github.com/anthropics/claude-for-legal

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/anthropics/claude-for-legal/ip-legal/github.svg)](https://agentmods.dev/plugins/anthropics/claude-for-legal/ip-legal)

Your own site

<a href="https://agentmods.dev/plugins/anthropics/claude-for-legal/ip-legal"><img src="https://agentmods.dev/badge/plugins/anthropics/claude-for-legal/ip-legal/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/anthropics/claude-for-legal/ip-legal"><img src="https://agentmods.dev/badge/plugins/anthropics/claude-for-legal/ip-legal.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured The manifest loads nothing itself; its 9 skills, 1 agent cost 726 tokens a session between them.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

ip-legal scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

ip-legal — 100% identical, 1 lines differ

ip-legal/.claude-plugin/plugin.json · 9 lines

What it actually says

{
  "name": "ip-legal",
  "version": "1.0.2",
  "description": "Runs first-pass trademark clearance and freedom-to-operate triage, screens invention disclosures for initial patentability, drafts and triages cease-and-desist letters and DMCA takedowns (send and respond), checks open source compliance, reviews IP clauses, and tracks registrations and renewal deadlines.",
  "author": {
    "name": "Anthropic"
  }
}

Contents

What it installs

The manifest is a name and a version. 9 skills, 1 agent travel with it, and installing the plugin installs all of them — 726 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

1mo ago First seen · 9 lines scan A 9dcdaaaaf293

Subscribe to this mod's changes

ip-legal is a plugin published in the GitHub repository anthropics/claude-for-legal (9,991 stars, last pushed 4d ago), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-23.

Legal and compliance

ip-legal next to 6 plugins from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
ip-legalanthropics/claude-for-legal	Plugin	10.0k	4d ago	Apache-2.0	A	—	Claude Code
agb-recht-prueferKlotzkette/claude-fuer-deutsches-recht	Plugin	1.8k	today	Apache-2.0	A	—	Claude Code
section-508Sushegaad/Claude-Skills-Governance-Risk-and-Compliance	Plugin	1.1k	6d ago	MIT	A	—	Claude Code
vclo-by-rohasrohasnagpal/legal-ai-skills	Plugin	207	today	MIT	A	—	Claude Code
shinkokukazukinagata/shinkoku	Plugin	371	2mo ago	MIT	A	—	Claude Code
fedramp-sspGRCEngClub/claude-grc-engineering	Plugin	433	yesterday	none	A	—	Claude Code
deeplaw-knowledge-osEysn0130/DeepLaw	Plugin	6	1mo ago	Apache-2.0	A	—	Claude Code