Mitsubishi Electric Corporation & Anor v Archos SA & Ors [2021] EWHC 1639 (Pat) (16 June 2021)

Mitsubishi Electric Corporation & Anor v Archos SA & Ors [2021] EWHC 1639 (Pat) (16 June 2021)

The patents are essential to the LTE standard for the relevant scheduling request procedure. The claims are not limited to pilot symbols used solely for channel quality determination. The prior art (Kwon) does not anticipate or render obvious the claimed inventions. EP 1,903,689 does not add matter. The patents are valid and essential.

Citation
[2021] EWHC 1639 (Pat)
Parties
Claimant: Mitsubishi Electric Corporation; Claimant: Sisvel International SA; Defendant: Archos SA; Defendant: Sun Cupid Technology HK Ltd; Defendant: NUU Mobile UK Limited; Defendant: OnePlus Technology (Shenzhen) Co., Ltd; Defendant: Oplus Mobiletech UK Limited; Defendant: Reflection Investment B.V.; Defendant: Guangdong Oppo Mobile Telecommunications Corp, Ltd; Defendant: Oppo Mobile UK Ltd; Defendant: Xiaomi Communications Co Ltd; Defendant: Xiaomi Inc; Defendant: Xiaomi Technology France SAS; Defendant: Xiaomi Technology UK Limited
Jurisdiction
England and Wales
Judgment Date
16 June 2021
Procedural Posture
Patent Infringement and Validity / Post Trial Judgment on Technical Issues
Outcome
Patents held valid and essential to the LTE standard. Defendants' challenges dismissed.
Legal Topics
Patent Essentiality, Patent Validity, Added Matter, Telecommunications Standards, LTE Standard, Prior Art
Intellectual Property Patents Patent Essentiality Patent Validity Added Matter Telecommunications Standards LTE Standard Prior Art

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Parties

Mitsubishi Electric Corporation

Claimant

Sisvel International SA

Claimant

Archos SA

Defendant

Sun Cupid Technology HK Ltd

Defendant

NUU Mobile UK Limited

Defendant

OnePlus Technology (Shenzhen) Co., Ltd

Defendant

Oplus Mobiletech UK Limited

Defendant

Reflection Investment B.V.

Defendant

Guangdong Oppo Mobile Telecommunications Corp, Ltd

Defendant

Oppo Mobile UK Ltd

Defendant

Xiaomi Communications Co Ltd

Defendant

Xiaomi Inc

Defendant

Xiaomi Technology France SAS

Defendant

Xiaomi Technology UK Limited

Defendant

Procedural Posture

Patent Infringement and Validity / Post Trial Judgment on Technical Issues

Legal Issues

  1. 1 Are EP 2,254,259 and EP 1,903,689 essential to the LTE standard for uplink scheduling requests?
  2. 2 Are the patents invalid for anticipation or obviousness over Kwon?
  3. 3 Is EP 1,903,689 invalid for added matter?

Ratio Decidendi

The patents are essential to the LTE standard for the relevant scheduling request procedure. The claims are not limited to pilot symbols used solely for channel quality determination. The prior art (Kwon) does not anticipate or render obvious the claimed inventions. EP 1,903,689 does not add matter. The patents are valid and essential.

Court Disposition

Patents held valid and essential to the LTE standard. Defendants' challenges dismissed.

Orders

  • Patents EP 2,254,259 and EP 1,903,689 declared valid and essential.
  • Defendants' claims for invalidity and non-essentiality dismissed.