Field Of Use Restriction Clause

Q: What is a Claude Code skill and how does the Field Of Use Restriction Clause skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Field Of Use Restriction Clause is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: red-team · Last updated: 2026-06-06

type:audit

Drafts enforceable Field of Use restriction clauses for U.S. IP licensing agreements (patent, software, trade secret, know-how). Covers permitted and restricted applications, sublicense limits, derivative-use treatment, audit and compliance mechanics, and remedy framework. Use when narrowing licensee exploitation rights, setting enforcement triggers, or preserving licensor rights outside scope during negotiation or formation. Triggers: field of use, permitted use, restricted use, sublicensing, derivative works, audit rights, IP licence scope, patent software licensing.

About this skill (catalog notes)

Field Of Use Restriction Clause includes a dedicated installation section. The SKILL.md is on the shorter side at about 487 words.

License: Apache-2.0
Original author: CaseMark
Indexed lastmod: 2026-06-06
Catalog position: Security · red-team
Indexed related skills: 10

How Field Of Use Restriction Clause fits the catalog

Field Of Use Restriction Clause sits in the Security category under the red-team sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Drafts a narrow, enforceable licensing clause that limits exploitation rights to a defined field while preserving licensor control outside that field. U.S.-focused; cross-border enforcement may require localization. [VERIFY]

What this skill does

Field Of Use Restriction Clause is a community-contributed Claude Code skill in the red-team sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/field-of-use-restriction-clause/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when narrowing licensee exploitation rights, setting enforcement triggers, or preserving licensor rights outside scope during negotiation or formation. Triggers: field of use, permitted use, restricted use, sublicensing, derivative works, audit rights, IP licence scope, patent software licensing.

Who uses this skill

The Field Of Use Restriction Clause Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 93,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/field-of-use-restriction-clause
curl -L https://claudskills.com/skills/field-of-use-restriction-clause/SKILL.md \
  -o ~/.claude/skills/field-of-use-restriction-clause/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/field-of-use-restriction-clause/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/field-of-use-restriction-clause/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\field-of-use-restriction-clause\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

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See pricing → Download desktop app

Frequently asked questions

How do I install the Field Of Use Restriction Clause Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/field-of-use-restriction-clause/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Field Of Use Restriction Clause skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Field Of Use Restriction Clause skill?

Use Field Of Use Restriction Clause when your Claude Code task falls under the Security category — specifically in the red team area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Field Of Use Restriction Clause" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Field Of Use Restriction Clause skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Field Of Use Restriction Clause is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/ThomasMoreAI/legal-skills-open/blob/HEAD/us/ip/skills/field-of-use-restriction-clause/SKILL.md
License: Apache-2.0
Author: CaseMark

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

CaseMark. (2026). Field Of Use Restriction Clause [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/field-of-use-restriction-clause/

BibTeX

@misc{field-of-use-restriction-clause-2026,
  author    = {CaseMark},
  title     = {Field Of Use Restriction Clause [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/field-of-use-restriction-clause/}
}

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