clearance

Checks trademark registrability and locates potentially similar prior marks.

Updated May 19, 2026
One-click install
npx skills add https://github.com/jrhueiueng/codex-for-legal --skill clearance-jrhueiueng
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: clearance
Source: https://github.com/jrhueiueng/codex-for-legal/tree/main/plugins/jrhueiueng/codex-for-legal/skills/ip-legal__clearance
Command: npx skills add https://github.com/jrhueiueng/codex-for-legal --skill clearance-jrhueiueng

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Trademark clearance first-pass triage helps you quickly flag intrinsic trademark problems and identify potentially similar prior marks so an attorney can decide what to do next, without prematurely treating the result as a formal opinion.

Core Features & Use Cases

  • Intrinsic knockout analysis: Flags common fatal issues like genericness, descriptiveness, deception, geographic descriptiveness, surnames, false connection, prohibited matter, and functionality.
  • Similar-marks search + structured comparison: Runs available searches (e.g., Solve Intelligence, CourtListener, Descrybe via MCP connectors) to surface potentially confusingly similar marks, with source attribution.
  • Likelihood-of-confusion factor framework: Walks the appropriate jurisdiction’s factors (e.g., US du Pont/Polaroid/Sleekcraft; EU global appreciation; UK/EUTM variants) and produces flags rather than conclusions.

Quick Start

Use /ip-legal:clearance with the proposed mark and a short description of the goods/services and jurisdictions, for example: /ip-legal:clearance "APEXLEAF for outdoor apparel in the US + EU".

Frequently Asked Questions about clearance

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run a trademark clearance triage to check for similar marks?

Trademark clearance triage checks intrinsic registrability and locates similar prior marks to support attorney review. It applies knockout factor screening and scopes likelihood-of-confusion risks before any full professional search or formal opinion.

What is likelihood of confusion analysis in early trademark screening?

Likelihood of confusion analysis in trademark screening walks the appropriate jurisdiction’s factors, such as US du Pont or EU global appreciation. It produces risk flags for potentially confusingly similar marks rather than formal legal conclusions.

How do I check if a proposed trademark has intrinsic registrability bars?

Check intrinsic registrability bars by flagging fatal issues like genericness, descriptiveness, deception, geographic descriptiveness, surnames, false connection, prohibited matter, and functionality. This knockout analysis prevents proceeding with unregistrable marks.

Can I use automated trademark screening instead of a formal attorney opinion?

Automated trademark screening cannot replace a formal attorney opinion. Clearance triage provides early risk flagging and scoping for likelihood-of-confusion factors, but includes explicit guardrails that findings are not legal opinions.

Does trademark clearance triage work for multiple jurisdictions?

Trademark clearance triage works for multiple jurisdictions by applying the appropriate regional likelihood-of-confusion factor frameworks, such as US du Pont, EU global appreciation, or UK EUTM variants, based on the collected context and jurisdictions.

Why do I need to identify knockout factors before a full trademark search?

Identifying knockout factors before a full trademark search prevents wasting resources on unregistrable marks. Early triage flags fatal intrinsic bars and scopes similar marks, allowing attorneys to focus only on viable candidates during formal review.