USPTO Trademark Assignment Search - Ownership KYB

Trademark Search — USPTO Serial + IP Australia Name Search

nexgendata/uspto-trademark-search

Trademark due diligence and brand clearance: look up US trademarks by serial/registration number from the official USPTO TSDR source, and search brand names across the IP Australia register. JSON: mark, owner, status, serial/registration, dates, class, goods/services. No API key. Pay per record.

USPTO Trademark Batch Search API

dev00/uspto-trademark-api

Bulk verify keywords and phrases against the USPTO database to instantly detect LIVE and PENDING trademarks.

Pulls official USPTO daily data and returns clean, flat US trademark records: word mark, serial and registration number, owner, goods and services, class, status and dates, with a what-changed-since-last-run mode. Billed only per delivered record. No API key needed.

USPTO New Trademark Filings & Search — Leads with Contacts

foxlabs/uspto-trademark-leads

Daily US trademark application leads and register search from USPTO: new filings 1-2 days after filing, or search by mark text or owner name. Owner name & address, attorney, correspondent email & phone, pro-se flag, classes and goods — for IP law firms and brand protection. No key required.

NPPES NPI Registry Search - Healthcare Provider KYB Leads

pink_comic/nppes-npi-registry

Official NPPES NPI Registry search for healthcare KYB, directories, and credentialing. Lookup NPI, name, taxonomy, city, state, or ZIP. Export addresses, phones, taxonomy, and NPI-status evidence. Related: LEIE, PECOS, CMS Doctors.

Sunbiz Florida Business Leads - New LLC Daily Filing Scraper

pink_comic/sunbiz-florida-business-leads

Sunbiz Florida business leads from the official daily LLC and corporation filing feed. Export new Florida business leads with names, officers, registered agents, addresses, FEI/EIN fields, and source-reported status for prospecting and formation research. $0.002/result.

EUIPO Trademarks Scraper: 100M+ EU/Global Trademarks via TMview

dltik/euipo-trademarks-scraper

Search 100M+ trademarks from EUIPO + 70 IP offices (USPTO, INPI, DPMA, WIPO Madrid). Nice class, status, dates, goods & services. AI brand-clearance + applicant→company. No API key. $0.01/result.

USPTO Trademark Scraper - Brand-Owner & Attorney Leads

scrapesage/uspto-trademark-scraper

Scrape USPTO trademarks by keyword, owner, class or serial number. Get mark, status, Nice classes, owner name & address, goods & services, dates, plus the filing attorney's name & email. Export brand-owner and IP-attorney leads. Monitor new filings. No API key, no browser.

USPTO API - Patent & Trademark Data

alizarin_refrigerator-owner/uspto-api---patent-trademark-data

USPTO patent data from the USPTO Open Data Portal using your own free USPTO API key (USPTO.gov account plus ID.me). Search applications and granted patents by keyword, assignee, or inventor, or look up one patent. Without a key, live runs return a notice and charge nothing.

USPTO Patent Search — US Prior Art via Google Patents Index

nexgendata/uspto-patent-search

Patent research for due diligence and competitor research: search US patents (USPTO grants and published applications) for prior art by keyword, assignee or inventor, via the Google Patents index. Not an official USPTO API. Clean JSON with claims, CPC classes and citations.