MediaTek Inc & Ors v Huawei Technologies Co Ltd & Anor

JudgeMr Justice Leech
Neutral Citation[2025] EWHC 649 (Pat)
Year2025
CourtChancery Division (Patents Court)
CounselMr Thomas Raphael Kc,Mr Henry Forbes Smith Kc,Mr Adam Gamsa,Mr Andrew Lykiardopoulos Kc,Ms Jemima Stratford Kc,Mr Thomas Jones
Date18 March 2025
Approved Judgment: 18 March 2025 MediaTek v Huawei HP 2024 000028
Neutral Citation Number: [2025] EWHC 649 (Pat)
HP-2024-000028
IN THE HIGH COURT OF JUSTICE
BUSINESS AND PROPERTY COURTS OF ENGLAND AND WALES
INTELLECTUAL PROPERTY LIST (ChD)
PATENTS COURT
18 March 2025
Before:
MR JUSTICE LEECH
- - - - - - - - - - - - - - - - - - - - -
B E T W E E N:
(1) MEDIATEK, INC
(a company incorporated under the laws of Taiwan)
(2) HFI INNOVATION, INC
(a company incorporated under the laws of Taiwan)
(3) MTK WIRELESS LIMITED
Claimants
- and –
(1) HUAWEI TECHNOLOGIES CO, LTD
(a company incorporated under the laws of
the People’s Republic of China)
(2) HUAWEI TECHNOLOGIES (UK) CO
LTD
Defendants
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MR THOMAS RAPHAEL KC, MR HENRY FORBES SMITH KC and MR ADAM
GAMSA (instructed by Allen Overy Shearman Sterling LLP) on behalf of the Defendants.
MR ANDREW LYKIARDOPOULOS KC, MS JEMIMA STRATFORD KC and MR
THOMAS JONES (instructed by Kirkland & Ellis International LLP) appeared on behalf
of the Claimants
Hearing dates: 18 to 20 December 2024
Judgment circulated on 11 March 2025
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
APPROVED JUDGMENT
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Approved Judgment: 18 March 2025 MediaTek v Huawei HP 2024 000028
There are two versions of this judgment. The full and unredacted version has been
made available to the parties and their legal advisers only and should be made available
only to those who have been included at the appropriate level of confidentiality in the
Confidentiality Orders which the Court has made. The redacted version is published on
the National Archives website. Both versions were handed down on Tuesday 18 March
2025.
Approved Judgment: 18 March 2025 MediaTek v Huawei HP 2024 000028
Table of Contents
I. The Applications [1]
II. Background [9]
A. The Parties [9]
B. The Dispute [12]
C. The Anti-Trust Claim [22]
D. The Particulars of Claim [30]
III. The Evidence [44]
E. Business Activities [44]
F. The Chinese Claims [72]
G. The English Claim [97]
IV. The Law [108]
H. Jurisdiction[108]
I. Other Issues [144]
V. Application [158]
J. The First Defendant[159]
K. The Second Defendant [221]
L. Alternative Service [222]
M. Full and frank disclosure [227]
VI. Other Applications [235]
N. The Strike Out Application [235]
O. The Amendment Application [240]
VII. Disposal [241]
VIII. Postscript [242]

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