Claude · Trademark

How To Connect Claude to LawDiver Trademark

LawDiver for Trademark is approved in the Claude directory. One click installs it. Then Claude can look up USPTO marks, search office-action responses, appeal briefs, and examination briefs, open the TMEP and TBMP, and pull TTAB decisions — from the live library, not from memory.

Installation, one click at a time

  1. 1

    Open Claude in a web browser

    Go to claude.ai and sign in. Use a computer for this first connection. After it works, the same Claude account can use LawDiver Trademark on desktop and, once connected, on the phone.

  2. 2

    Open LawDiver for Trademark in Claude’s directory

    LawDiver for Trademark is approved and listed. Open https://claude.ai/directory/lawdiver-for-trademark and click Connect (it may say Install). This is separate from caselaw LawDiver and from LawDiver Tax.

  3. 3

    Sign in to LawDiver

    Claude sends you to LawDiver. Sign in with your LawDiver email and password, or create an account on that screen. Claude never sees your password.

  4. 4

    Click Allow

    LawDiver asks whether this Claude account may search marks, briefs, manuals, and TTAB decisions for you. Click Allow.

  5. 5

    Turn LawDiver Trademark on in the chat

    Start a new chat. Click + at the lower left, hover Connectors, and turn LawDiver Trademark on for that chat.

  6. 6

    Send one test message

    Paste: Using LawDiver Trademark, look up registration number 4,000,000 and summarize status, owner, and goods and services from what LawDiver returns.

Directory page: https://claude.ai/directory/lawdiver-for-trademark

MCP server URL: https://lawdiver.com/mcp/trademark. Tool catalog: https://lawdiver.com/mcp/trademark/toolspec.json.

If you do not see a Connect button

Add LawDiver for Trademark by hand. Leave Advanced settings empty. Do not type a client id, a secret, or an API key. Use the Trademark URL — not caselaw /mcp and not Tax /mcp/tax.

  1. In Claude, click Customize → Connectors.
  2. Click +, then Add custom connector.
  3. Name: LawDiver Trademark
  4. Server address: https://lawdiver.com/mcp/trademark
  5. Leave Advanced settings empty — no client id, secret, or API key.
  6. Click Add, then Connect, sign in, and click Allow.
  7. In a chat, turn LawDiver Trademark on under + → Connectors.

Work or school Claude (Team or Enterprise)

On those plans, an Owner adds LawDiver for Trademark from the Claude directory under Organization settings → Connectors → Add. If that menu does not list it, choose Custom → Web and enter https://lawdiver.com/mcp/trademark. Then each person clicks Connect and signs in with their own LawDiver account.

What the library holds

LawDiver Trademark is the USPTO record Claude can search: marks, responses to office actions, appeal briefs, examination briefs, TTAB decisions, the TMEP, and the TBMP, plus the application or registration file for one matter.

Responses to office actions, appeal briefs, examination briefs, and TTAB decisions are fully searchable by international use class (Nice classes 1–45) and by boolean, semantic, and hybrid search.

Trademark caselaw is fully searchable. It is indexed for good-law status, including citing cases, and it is fully indexed against the PTO corpus, so an opinion can be tied back to the marks, prosecution history, and Board record it concerns.

The server reads only. It does not file, amend, or respond at the USPTO. A mark lookup is not a clearance opinion. State registers and common-law use are not searched.

What a connector is

Claude is the assistant you type to. LawDiver Trademark is the library above. A connector joins them via MCP (Model Context Protocol).

A serial number or TMEP cite Claude remembers can look right and still be wrong. With LawDiver Trademark connected, you can tell Claude to search the library and quote what it found.

What you can ask Claude to do

Search marks, briefs, and Board materials

search covers USPTO marks, responses to office actions, appeal briefs, examination briefs, TTAB decisions, the TMEP, and the TBMP. Those filings are fully searchable by international use class and by boolean, semantic, and hybrid search.

Retrieve one authority

retrieve opens one mark, brief, TMEP section, or TBMP section, with optional full text and procedural history.

Trademark caselaw

case searches and retrieves TTAB and federal trademark opinions. Caselaw is fully searchable, indexed for good-law status and citing cases, and fully indexed against the PTO corpus.

Full matter file

matter loads one application or registration: the mark record, linked briefs, the outcome trail, and the whole procedural history, with LawDiver links and TSDR links.

Topics

topics lists frozen trademark topic ids for topic-mode search.

How to get the answer you want

  1. 1

    Turn LawDiver Trademark on for this chat

    Click + → Connectors and switch LawDiver Trademark on before you ask.

  2. 2

    Start with “Using LawDiver Trademark”

    Those words tell Claude to use the Trademark connector — not caselaw, not Tax, not memory.

  3. 3

    Name the job

    Say mark lookup, brief search, TMEP section, or TTAB search so Claude picks the right tool.

  4. 4

    Tell it to stay with the library

    Add: “Answer from LawDiver Trademark. If LawDiver Trademark has no match, say that.”

  5. 5

    Look for the lookup

    Expect tool names like search, retrieve, case, matter, or topics. No lookup step means memory.

  6. 6

    Correct a skip

    Reply: “Use the LawDiver Trademark connector and show me what it found.”

Messages you can copy

Look up a mark

Using LawDiver Trademark, open the full matter file for serial 99883232 (FLAT ON PURPOSE) and summarize the response to the office action from the brief LawDiver already holds.

Open a TMEP section

Using LawDiver Trademark, retrieve TMEP § 1207.01 and quote the holding points from the text returned.

Search a response to an office action

Using LawDiver Trademark, search responses to office actions for serial 99883232, mark FLAT ON PURPOSE, Class 25 apparel. Summarize the response LawDiver returns.

Boolean search of examiner appeal briefs

Using LawDiver Trademark, run a boolean search of examiner appeal briefs for "FISHING BOOKER". List the serial numbers LawDiver returns.

Search a Board decision by name

Using LawDiver Trademark, search TTAB decisions by case name for Stephen Slesinger, Inc. v. Disney Enterprises, Inc.

Hybrid search of an examiner file

Using LawDiver Trademark, run a hybrid search of examiner documents for WATIER LUMINESSENCE. List the document titles and serial number LawDiver returns.

Open a Board decision and its citing cases

Using LawDiver Trademark, open Stephen Slesinger, Inc. v. Disney Enterprises, Inc., TTAB 2011. Report the good-law note and list cases that cite it.

Claude Code and Desktop

Prefer OAuth on claude.ai. For Claude Code or Desktop config, use an ld_tm_ key — not ld_live_ or ld_tax_.

  1. Create a key under Account → API Keys → Trademark API.
  2. Add remote MCP server lawdiver-trademark at https://lawdiver.com/mcp/trademark with Authorization: Bearer ld_tm_YOUR_KEY.
{
  "mcpServers": {
    "lawdiver-trademark": {
      "url": "https://lawdiver.com/mcp/trademark",
      "headers": {
        "Authorization": "Bearer ld_tm_YOUR_KEY"
      }
    }
  }
}

Free web: lawdiver.com/trademark. Sign up: lawdiver.com/signup.

If something goes wrong

I connected caselaw or Tax instead of Trademark
Use https://lawdiver.com/mcp/trademark. Caselaw (/mcp) and Tax (/mcp/tax) do not expose trademark tools.
Claude asks for a client id or secret
Leave Advanced settings empty. Remove and re-add the connector with exactly https://lawdiver.com/mcp/trademark, then Connect → Allow.
Claude Code rejects my key
Trademark MCP requires ld_tm_. Caselaw and Tax keys are rejected.
Claude answered without a lookup
Reply: “Use the LawDiver Trademark connector and show me what it found.” Keep the connector on for that chat.

Still stuck? [email protected]

Questions

Is LawDiver Trademark the same connector as caselaw or Tax?
No. Caselaw is https://lawdiver.com/mcp. Tax is /mcp/tax. Trademark is a separate MCP server at https://lawdiver.com/mcp/trademark. Connect Trademark on its own URL.
Do I paste an API key into Claude.ai?
No. On claude.ai you open LawDiver for Trademark in the Claude directory, sign in to LawDiver, and click Allow. Leave Advanced settings empty if you add it by hand. An ld_tm_ key is for Claude Code, Desktop config, Cursor, and other header-based clients.
What can Claude search?
Responses to office actions, appeal briefs, examination briefs, and TTAB decisions are fully searchable by international use class (Nice classes 1–45) and by boolean, semantic, and hybrid search, along with USPTO marks, the TMEP, and the TBMP. Trademark caselaw is fully searchable, indexed for good-law status, and fully indexed against that PTO corpus.
Is a mark lookup a clearance opinion?
No. LawDiver Trademark searches the federal register and related authorities it holds. It does not search state registers or common-law use. It is not a clearance opinion.
Can LawDiver Trademark file anything at the USPTO?
No. It only reads: marks, briefs, manuals, and TTAB decisions. It does not edit filings, send email, or file anything.
Is LawDiver Trademark free?
The connector is free during the current rollout. The web product at lawdiver.com/trademark is free for now. Your Claude subscription is billed by Anthropic.

Install it in one click

Open the Claude directory, click Connect, click Allow, then turn LawDiver for Trademark on in the chat.

How To Connect Claude to LawDiver Trademark | LawDiver