intellectual-property

intellectual-property is a skill for Claude Code from cbrock84/headcount. It costs 91 tokens per session (956 once invoked), scanned A, original, MIT.

A guide to the main intellectual-property rights: trademarks for names and brands, copyright for creative work, patents for inventions, and trade secrets for confidential information. It also covers open-source licenses and ownership terms.

In plain words
What is it for?
Use it to check names, assign ownership, review licenses, protect confidential information, and assess IP terms in agreements.
Why use it?
It helps prevent problems such as adopting an unusable name, losing rights to contractor work, or violating a software license.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the legal-risk plugin — 8 skills shipped together

About the project

headcount is an organization of independently installable Claude Code plugins, each grouping skills for a department such as finance, security, or demand generation. Claude Code users install the departments they need and invoke their skills for specialized work; the catalogue entries are skills and related agent tooling from that organization.

cbrock84/headcount · 1,284 stars · on GitHub · cbrock84.github.io

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.

agentmods
npx agentmods add skills/cbrock84/headcount/intellectual-property
Any agent
npx skills add cbrock84/headcount --skill intellectual-property
Clone the repo
git clone --depth 1 https://github.com/cbrock84/headcount

Made for: Claude Code.

Or install legal-risk, the plugin that ships this one along with the rest of its 8 skills.

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.

agentmods badge for intellectual-property

README.md
[![agentmods](https://agentmods.dev/badge/skills/cbrock84/headcount/intellectual-property.svg)](https://agentmods.dev/skills/cbrock84/headcount/intellectual-property)
Your own site
<a href="https://agentmods.dev/skills/cbrock84/headcount/intellectual-property"><img src="https://agentmods.dev/badge/skills/cbrock84/headcount/intellectual-property.svg" alt="Measured on agentmods" height="20"></a>
Per session 91 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 956 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00091 $0.00956
Opus 5 $0.00046 $0.00478
Sonnet 5 $0.00018 $0.00191
Haiku 4.5 $0.00009 $0.00096

Measured 2d ago against content hash e3c24f220c8e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

intellectual-property 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 2d 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.

plugins/legal-risk/skills/intellectual-property/SKILL.md · 85 lines

How it starts

The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Intellectual property

Most IP damage is done quietly and early — by a name adopted without a search, a contractor agreement missing an assignment clause, or a dependency added without reading its license. All three are cheap to prevent and expensive to unwind.

This structures the questions and the recurring failure patterns. IP rights are jurisdictional, deadline-driven and fact-specific — get qualified counsel before adopting a name, filing anything, or responding to a claim.

The four rights protect different things and are not interchangeable

  • Trademark protects a name or mark as an indicator of source, within classes of goods and services and within territories. Rights come from use and are strengthened by registration.
  • Copyright protects expression, not ideas. It arises automatically on creation; registration matters mainly for what you can recover in a dispute.
  • Patent protects an invention, in exchange for publishing it, and is defeated by your own prior public disclosure in many regimes. If patenting is plausible, file before you present, publish, or demonstrate.
  • Trade secret protects information whose value depends on being secret, for as long as you actually keep it secret — which requires demonstrable measures, not just intent.

Clear a name before you build on it

A search is cheap; a rebrand after launch is not, and the cost lands after you have printed material, bought domains, and built recognition. Search registered marks in the classes and territories you will operate in, and check for confusingly similar marks rather than exact matches.

Domain availability tells you nothing about trademark risk. Neither does the absence of a company with that exact name.

Establish ownership of work you paid for, in writing, before it starts

This is the most common and most avoidable failure in the whole area.

  • Employee work is often owned by the employer by default, but the default varies by jurisdiction and by whether the work relates to the job.
  • Contractor and agency work is usually owned by the contractor unless the agreement assigns it. A paid invoice is not an assignment. Logos, code, photography, and copy commissioned without an assignment clause routinely turn out to be licensed rather than owned — discovered during diligence, at the worst possible time.
  • Get assignment plus a waiver of moral rights where they apply, and confirm the contractor had the right to assign anything they incorporated.

Read the full file on GitHub · 85 lines

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.

  1. 2d ago First seen · 85 lines · 91 tokens per session scan A e3c24f220c8e

Subscribe to this mod's changes

intellectual-property is a skill published in the GitHub repository cbrock84/headcount (1,284 stars, last pushed 3d ago), licensed MIT. It adds 91 tokens to every session and 956 once invoked, about $0.0005 per session on Opus 5. 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 2026-09-03.

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