Google Patents
Worth it
Confidence: Medium
Anyone doing a first-pass patent or prior-art search should use it . it is free, world-scale, and easy.
Comparison
Google Patents and PPUBS (Patent Public Search) both land on Worth it.
Anyone doing a first-pass patent or prior-art search should use it . it is free, world-scale, and easy.
Buy if you do serious US patent or prior-art searching . it is free and examiner-grade.
| Compare | Google Patents | PPUBS (Patent Public Search) |
|---|---|---|
| Verdict | Worth it | Worth it |
| Best for | Inventors checking if an idea is already patented | Patent attorneys and agents |
| Who it's not for | Pharma and drug patent research . the data fails there | Automation pipelines . programmatic access reportedly no longer works |
| Privacy | No known public vulnerabilities found in the sources reviewed.¹ | No CVEs found for PPUBS, but USPTO publicly disclosed a potential exposure of protected application information through the tool. |
| Support quality | No support evidence in reviewed sources | No evidence in sources |
| Public sentiment | Practitioners and inventors use it heavily as a free first-pass tool but debate its reliability for thorough, legal-grade searches.⁶ | Patent professionals on Reddit treat PPUBS as the standard free US search tool but complain that programmatic access no longer works. |
| Biggest gotcha | Not a substitute for a thorough professional prior-art search before filing | Scrapers and scripts break . Reddit reports automated access no longer works |