trademark-search

trademark-search is a skill for Claude Code from chouenchieh/china-law. It costs 63 tokens per session (1,608 once invoked), scanned A, original, no licence file.

A prior-trademark search guide for China that checks the CNIPA trademark database and the Peking University Legal Information database for earlier rights and relevant cases.

In plain words
What is it for?
Use it to search for existing Chinese trademarks, review related legal cases, and assess potential conflicts under China's Trademark Law.
Why use it?
It helps applicants identify possible conflicts before applying for or using a trademark.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Part of the china-law plugin — 45 skills, 1 agent, 1 MCP server shipped together

Good fit Use it to search for existing Chinese trademarks, review related legal cases, and assess potential conflicts under China's Trademark Law.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/chouenchieh/china-law/trademark-search
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.

Any agent
npx skills add chouenchieh/china-law --skill trademark-search
Clone the repo
git clone --depth 1 https://github.com/chouenchieh/china-law

Made for: Claude Code.

Or install china-law, the plugin that ships this one along with the rest of its 45 skills, 1 agent, 1 MCP server.

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 trademark-search

README.md
[![agentmods](https://agentmods.dev/badge/skills/chouenchieh/china-law/trademark-search/github.svg)](https://agentmods.dev/skills/chouenchieh/china-law/trademark-search)
Your own site
<a href="https://agentmods.dev/skills/chouenchieh/china-law/trademark-search"><img src="https://agentmods.dev/badge/skills/chouenchieh/china-law/trademark-search/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.

agentmods 80×15 button for trademark-search

Your own site · 80×15
<a href="https://agentmods.dev/skills/chouenchieh/china-law/trademark-search"><img src="https://agentmods.dev/badge/skills/chouenchieh/china-law/trademark-search.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,608 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00063 $0.01608
Opus 5 $0.00032 $0.00804
Sonnet 5 $0.00013 $0.00322
Haiku 4.5 $0.00006 $0.00161

Measured 12d ago against content hash 3e531af863d0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

trademark-search 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 12d 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.

skills/trademark-search/SKILL.md · 125 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 12d ago First seen · 125 lines · 63 tokens per session scan A 3e531af863d0

Subscribe to this mod's changes

trademark-search is a skill published in the GitHub repository chouenchieh/china-law (12 stars, last pushed 3mo ago), with no licence file. It adds 63 tokens to every session and 1,608 once invoked, about $0.0003 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 2026-08-30.

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