Sony Communications International AB v SSH Communications Security Corporation

Sony Communications International AB v SSH Communications Security Corporation

All claims of the patent are invalid for obviousness over prior art (NAT Minutes and Guidelines) and common general knowledge. The teaching of keepalive packets to maintain NAT mappings is anticipated and obvious. Conditional amendments do not cure invalidity. If valid, Sony Xperia devices would infringe claims 1, 3, 6, 8, 10 and 13.

Parties
Claimant: Sony Communications International AB; Defendant: SSH Communications Security Corporation; Part 20 Claimant: SSH Communications Security Corporation; Part 20 Defendant: Sony Mobile Communications AB; Part 20 Defendant: Sony Computer Entertainment Europe Limited; Part 20 Defendant: Sony Europe Limited; Part 20 Defendant: Sony Network Entertainment Europe Limited
Jurisdiction
England and Wales
Judgment Date
10 October 2016
Procedural Posture
Patent Infringement and Validity / Judgment After Trial
Outcome
All claims of the patent are invalid.
Legal Topics
Patent Validity, Patent Infringement, Obviousness, Common General Knowledge, Claim Construction, Prior Art, Conditional Amendments
Intellectual Property Patent Law Patent Validity Patent Infringement Obviousness Common General Knowledge Claim Construction Prior Art +1 more

Case Brief

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Parties

Sony Communications International AB

Claimant

SSH Communications Security Corporation

Defendant

SSH Communications Security Corporation

Part 20 Claimant

Sony Mobile Communications AB

Part 20 Defendant

Sony Computer Entertainment Europe Limited

Part 20 Defendant

Sony Europe Limited

Part 20 Defendant

Sony Network Entertainment Europe Limited

Part 20 Defendant

Procedural Posture

Patent Infringement and Validity / Judgment After Trial

Legal Issues

  1. 1 Whether the patent EP(UK) 2 254 311 is valid
  2. 2 Whether the patent is infringed by Sony Xperia devices
  3. 3 Whether the patent claims are obvious over common general knowledge and prior art

Ratio Decidendi

All claims of the patent are invalid for obviousness over prior art (NAT Minutes and Guidelines) and common general knowledge. The teaching of keepalive packets to maintain NAT mappings is anticipated and obvious. Conditional amendments do not cure invalidity. If valid, Sony Xperia devices would infringe claims 1, 3, 6, 8, 10 and 13.

Court Disposition

All claims of the patent are invalid.

Orders

  • Conditional amendments not allowed.
  • If valid, Sony Xperia devices would infringe claims 1, 3, 6, 8, 10 and 13.