# USPTO API: Search US trademarks > Finds US trademark filings matching a brand name, optionally limited to likely goods or service classes. Exact marks come first, similar marks follow; not a legal clearance opinion. Unofficial. Not affiliated with or endorsed by USPTO. - Page: https://fous.com/methods/uspto.gov/search-trademarks - Method: `uspto.gov/search_trademarks`, version 1 - Website: uspto.gov - Returns: summary, marks with owner, status, goods and services, classes, dates, serial and registration numbers, image and status links - Effect: read (it gets data and changes nothing) - Sign-in: none needed - Cost: 1 credit per completed run (1¢ with pay as you go); failed runs are free - Verified: Nov 2, 2026 ## Inputs | Field | Type | Required | In the run below | Description | |---|---|---|---|---| | `brand_name` | string | yes | `"Sunbeam"` | Brand to check, for example Sunbeam. | | `max_results` | integer | no | | Maximum records returned, for example 25. Default 25. | | `include_dead` | boolean | no | | Include inactive filings, for example false for live marks only. Default false. | | `product_category` | string | no | `"coffee"` | Products or services in plain words, for example coffee, clothing or software. Default "". | ## Output From a run on Oct 31, 2026, shortened. Its input: ```json { "brand_name": "Sunbeam", "product_category": "coffee" } ``` Its output: ```json { "summary": "28 live trademarks match Sunbeam for coffee", "trademarks": [ { "owner": "SUNBEAM PRODUCTS, INC.", "status": "Live - registered", "classes": [ "012 - Vehicles", "015 - Musical instruments", "009 - Software, electronics and scientific instruments" ], "mark_text": "SUNBEAM", "filing_date": "1941-03-19", "serial_number": "71441695", "mark_image_link": "https://tmcms-docs.uspto.gov/cases/71441695/mark/large.png", "registration_date": "1941-09-09", "uspto_status_link": "https://tsdr.uspto.gov/#caseNumber=71441695&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch", "goods_and_services": "US 021: Electrical Appliances Comprising Electric Flatirons (Group A); [ Electric Toaster Grills, Electric Toaster and Table Stoves, and ] Electric Toasters (Group B); Electric Heating Pads for General Use (Group C); [ Portable Electric Radiant Heaters for General Use (Group D); ] [ Electric Percola", "registration_number": "0390181" }, { "owner": "Sunbeam Products, Inc.", "status": "Live - registered", "classes": [ "007 - Machines", "009 - Software, electronics and scientific instruments", "010 - Medical devices" ], "mark_text": "SUNBEAM", "filing_date": "1998-05-05", "serial_number": "75479650", "mark_image_link": "https://tmcms-docs.uspto.gov/cases/75479650/mark/large.png", "registration_date": "2001-03-20", "uspto_status_link": "https://tsdr.uspto.gov/#caseNumber=75479650&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch", "goods_and_services": "IC 007: [ELECTRIC FOOD BLENDERS, GRINDERS, JUICERS, PROCESSORS AND SLICERS FOR COMMERCIAL OR DOMESTIC USE; ELECTRIC KNIVES, KNIFE AND SCISSOR SHARPENERS, SAUSAGE STUFFERS, ICE CRUSHERS, BAG SEALERS;] ELECTRIC HAIR CLIPPERS AND TRIMMERS[, AND BLADES AND BRUSHES THEREFOR].; IC 009: [SCALES; THERMOCOUP", "registration_number": "2436123" }, { "owner": "Sunbeam Products, Inc.", "status": "Live - registered", "classes": [ "011 - Lighting, heating and cooking appliances" ], "mark_text": "SUNBEAM", "filing_date": "2010-01-28", "serial_number": "77922031", "mark_image_link": "https://tmcms-docs.uspto.gov/cases/77922031/mark/large.png", "registration_date": "2011-04-05", "uspto_status_link": "https://tsdr.uspto.gov/#caseNumber=77922031&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch", "goods_and_services": "IC 011: Electrical cooling apparatus for household use, namely, refrigerators, [ keg coolers, ] beverage coolers, [ wine coolers, ice makers, ] and freezers [, and parts and accessories thereto ].", "registration_number": "3941830" } ] } ``` ## Run it From code, with a Fous API key in `FOUS_API_KEY`; the answer's `data` holds the output: ```bash curl https://api.fous.com/v1/runs \ -H "Authorization: Bearer $FOUS_API_KEY" \ -H "Content-Type: application/json" \ -d '{"method":"uspto.gov/search_trademarks","input":{"brand_name":"Sunbeam","product_category":"coffee"}}' ``` From an AI agent connected to the Fous MCP server: its `run` with the same method and input. To connect one, give it `set up https://fous.com/SKILL.md`. ## Ask your agent - Is anyone already using the name "Bluepine" as a trademark for outdoor apparel? Show me live filings with owners and status. - Check the USPTO for existing trademarks on "Kettle & Crow" in the coffee and cafe space, up to 50 results. - I'm naming my new budgeting app "Ledgerly" — pull any registered or pending US marks that match or look similar, including abandoned ones. - Search uspto.gov for trademarks named "Nimbus" related to software, and give me serial numbers, registration numbers, and goods descriptions. - Find US trademark filings for the brand "Solstice Skin" covering cosmetics, just the top 10 active ones with filing dates and owners. ## Input schema ```json { "type": "object", "required": [ "brand_name" ], "properties": { "brand_name": { "type": "string", "minLength": 1, "description": "Brand to check, for example Sunbeam." }, "max_results": { "type": "integer", "default": 25, "maximum": 100, "minimum": 1, "description": "Maximum records returned, for example 25." }, "include_dead": { "type": "boolean", "default": false, "description": "Include inactive filings, for example false for live marks only." }, "product_category": { "type": "string", "default": "", "description": "Products or services in plain words, for example coffee, clothing or software." } } } ``` ## Output schema ```json { "type": "object", "required": [ "summary", "trademarks" ], "properties": { "summary": { "type": "string" }, "trademarks": { "type": "array", "items": { "type": "object", "required": [ "mark_text", "owner", "status", "goods_and_services", "classes", "filing_date", "registration_date", "serial_number", "registration_number", "mark_image_link", "uspto_status_link" ], "properties": { "owner": { "type": [ "string", "null" ] }, "status": { "type": "string" }, "classes": { "type": "array", "items": { "type": "string" } }, "mark_text": { "type": [ "string", "null" ] }, "filing_date": { "type": [ "string", "null" ] }, "serial_number": { "type": "string" }, "mark_image_link": { "type": [ "string", "null" ] }, "registration_date": { "type": [ "string", "null" ] }, "uspto_status_link": { "type": "string" }, "goods_and_services": { "type": [ "string", "null" ] }, "registration_number": { "type": [ "string", "null" ] } }, "additionalProperties": false } } }, "additionalProperties": false } ``` ## See more - [USPTO API: Get trademark status](https://fous.com/methods/uspto.gov/get-trademark-status.md): Gets the current status and prosecution history of one U.S. trademark by name, serial number or registration number. For a name, it picks the newest live matching mark (or the one matching the owner) and lists the other matches. - [WIPO API: Search trademarks](https://fous.com/methods/branddb.wipo.int/search-trademarks.md): Search WIPO Global Brand Database trademarks by brand name, registering office, status and Nice class in relevance order. Status follows the registering office's reported status; missing record details are null. - [CPSC API: Search product recalls](https://fous.com/methods/cpsc.gov/search-recalls.md): Finds U.S. consumer product recalls matching a product type or brand, newest first, with hazards, remedies, incidents, sale details and photos when published. - [USDA API: Search foods](https://fous.com/methods/fdc.nal.usda.gov/search-foods.md): Searches USDA FoodData Central foods and branded products by food or brand name, ranked by relevance. Calories and serving sizes are null when not supplied. - [Google API: Get patent details](https://fous.com/methods/patents.google.com/get-patent.md): Gets one public patent or published application by number, title, or Google Patents link, with claims, citations, family and classifications. - [ProPublica API: Search nonprofits by name](https://fous.com/methods/projects.propublica.org/search-nonprofits.md): Finds U.S. nonprofits by organization name, optionally filtered by state and city, with the latest reported revenue and assets. - [Grants.gov API: Search grant opportunities](https://fous.com/methods/grants.gov/search-grants.md): Finds U.S. federal grant opportunities by topic, agency, applicant type and status, with funding and eligibility details. Open results exclude opportunities whose closing date has passed. - [Google API: Search patents](https://fous.com/methods/patents.google.com/search-patents.md): Finds Google Patents about an invention. Optional filters: inventor, assignee, country, filing date and publication stage. Legal status is the site's estimate. - [All USPTO methods](https://fous.com/methods/uspto.gov.md)