Quantum communications patent monitor

About this service

Quantum communications — particularly quantum key distribution — is a commercially active sector with national security implications driving substantial investment from governments and major telecoms companies, especially in China, Europe, and the United States.

This monitor service delivers structured patent intelligence on the quantum communications sector every month, tracking new filings across QKD protocols, quantum repeaters, satellite-based quantum links, and post-quantum cryptography — giving you a reliable view of competitive activity as it develops.

Each monthly update includes

• New patent publications — QKD and quantum network sub-fields
• Notable filers and new entrants that month
• Technology classification breakdown of new filings
• Cumulative trend update — rolling 12-month view
• Country filing activity — with focus on CN, US, and EU
• Selected highlights — notable families or filers