PPUBS (Patent Public Search)
Worth it
Confidence: Medium
Buy if you do serious US patent or prior-art searching . it is free and examiner-grade.
Comparison
PPUBS (Patent Public Search) lands on Worth it, and Puter Developer lands on Depends.
Buy if you do serious US patent or prior-art searching . it is free and examiner-grade.
Buy it if you're an indie dev or vibe-coder shipping a frontend AI app fast and want zero infrastructure cost.
| Compare | PPUBS (Patent Public Search) | Puter Developer |
|---|---|---|
| Verdict | Worth it | Depends |
| Best for | Patent attorneys and agents | Indie devs shipping AI apps fast |
| Who it's not for | Automation pipelines . programmatic access reportedly no longer works | Enterprise apps needing SOC 2 or compliance audits |
| Privacy | No CVEs found for PPUBS, but USPTO publicly disclosed a potential exposure of protected application information through the tool.⁵ | No known public vulnerabilities found in the sources reviewed.12 |
| Support quality | No evidence in sources | No evidence in sources |
| Public sentiment | Patent professionals on Reddit treat PPUBS as the standard free US search tool but complain that programmatic access no longer works.⁴ | Evidence contains no independent user reviews; every source reviewed is Puter's own marketing site.14 |
| Biggest gotcha | Scrapers and scripts break . Reddit reports automated access no longer works⁴ | Guess: deep lock-in . auth, storage, DB, and AI all route through Puter; migrating out means rebuilding your backend.11 |