Changeflow GovPing Telecom & Technology Secure Communication Method and Apparatus Patent
Routine Notice Added Final

Secure Communication Method and Apparatus Patent

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Networking (H04L)
Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent application EP4044502A1 for Shenzhen Yinwang Intelligent Technologies Co., Ltd., covering secure communication methods and apparatus. The invention relates to H04L networking security technologies (H04L 9/08, H04L 9/40). The patent designates all major European states including DE, FR, GB, IT, ES, NL, and 24 others.

What changed

EPO published patent EP4044502A1 granted to Shenzhen Yinwang Intelligent Technologies Co., Ltd., covering secure communication methods and apparatus using cryptographic key distribution and network security protocols. Inventors include LI Yong, GENG Feng, DUAN Li, YI Pingping, and LI Min. The patent is classified under H04L 9/08 and H04L 9/40.

Patent publications do not impose compliance obligations on third parties. Technology companies developing secure communication or network security products may wish to review this patent to assess potential licensing needs or freedom-to-operate considerations for similar technologies in European markets.

Source document (simplified)

← EPO Patent Bulletin

SECURE COMMUNICATION METHOD AND APPARATUS

Publication EP4044502A1 Kind: A1 Mar 25, 2026

Applicants

Shenzhen Yinwang Intelligent
Technologies Co., Ltd.

Inventors

LI, Yong, GENG, Feng, DUAN, Li, YI, Pingping, LI, Min

IPC Classifications

H04L 9/08 20060101AFI20220901BHEP H04L 9/40 20220101ALI20220901BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4044502A1

Who this affects

Applies to
Technology companies
Industry sector
5112 Software & Technology 5170 Telecommunications
Activity scope
Cryptographic Key Distribution Network Security Protocols
Geographic scope
European Union EU

Taxonomy

Primary area
Telecommunications
Operational domain
Legal
Topics
Cybersecurity Data Privacy

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