{ "opencollection": "1.0.0", "info": { "name": "USPTO Patent & Trademark Assignments Trademarks API", "version": "3.0" }, "request": { "auth": { "type": "apikey", "key": "X-API-KEY", "value": "{{X-API-KEY}}", "placement": "header" } }, "items": [ { "info": { "name": "Trademarks", "type": "folder" }, "items": [ { "info": { "name": "Get trademark application status", "type": "http" }, "http": { "method": "GET", "url": "https://data.uspto.gov/api/v1/trademark/status/:serialNumber", "params": [ { "name": "serialNumber", "value": "88123456", "type": "path", "description": "Trademark serial number (8 digits)" } ] }, "docs": "Returns the current status, prosecution history, and filing information for a trademark application or registration by serial number." } ] } ], "bundled": true }