Can you recommend a patent search software for freedom-to-operate research across multiple jurisdictions?

Yes — for freedom-to-operate (FTO) work across multiple jurisdictions, you usually want software that does patent family normalization, legal-status tracking, claim/full-text search, and jurisdiction filters.

Here are solid options, depending on budget and depth:

Top-tier commercial platforms

1. Derwent Innovation (Clarivate)

   • Strong for global patent search and family data
   • Good normalized records and legal-status coverage
   • Useful for large FTO projects and analytics

2. Orbit Intelligence (Questel)

   • Very good for international patent search, families, and legal events
   • Strong search tools and workflow features
   • Often used by in-house IP teams and patent professionals

3. PatSnap

   • Easier to use than some enterprise tools
   • Good for search, landscaping, and portfolio review
   • Can support FTO screening, though advanced workflows may require validation

4. LexisNexis PatentSight / TotalPatent One

   • TotalPatent One is a strong search platform with broad coverage
   • PatentSight is more analytics-focused but can help with competitive and jurisdictional analysis

More cost-effective / accessible

5. Google Patents

   • Free and surprisingly useful for initial screening
   • Good for quick prior art and family views
   • Not ideal as a sole source for serious FTO because legal-status and jurisdictional nuance can be incomplete

6. Espacenet (EPO)

   • Free, broad global coverage
   • Excellent for early-stage searching and family inspection
   • Limited compared with commercial tools for workflow, alerts, and advanced legal-status handling

What matters most for FTO

For multi-jurisdiction FTO, look for:

• Patent family merging
• Legal status by jurisdiction
• Claim-level search or full-text search
• Machine translation
• Citation and assignee normalization
• Coverage of national office data
• Export/reporting for attorney review

My practical recommendation

• If you need serious professional FTO across many countries: Derwent Innovation or Orbit Intelligence
• If you want strong capability with a more approachable interface: PatSnap
• If you’re starting out or on a limited budget: Espacenet + Google Patents, but ideally with attorney review and supplemental legal-status checks

If you want, I can also give you:

1. a feature-by-feature comparison table, or
2. a recommendation based on your budget, countries of interest, and industry.