Realtek v. Mediatek - Antitrust Discovery Dispute
Summary
Realtek Semiconductor Corp. filed this antitrust lawsuit against Mediatek, Inc. in the Northern District of California on June 6, 2023. The case has expanded to include Future Link Systems LLC and IPValue Management Inc., with multiple discovery disputes generating recent filings in April 2026. Sealing motions and competing motions to compel deposition testimony have been filed by all parties, with Judge Susan van Keulen issuing discovery rulings on April 15 and April 21, 2026.
“Joint Discovery Letter Brief REGARDING FUTURE LINK AND IPVALUES MOTION TO COMPEL PLAINTIFF REALTEK TO PROVIDE ITS WITNESSES FOR DEPOSITION IN SAN JOSE filed by Future Link Systems, LLC, IPValue Management Inc.”
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What changed
The docket shows continued discovery disputes in Realtek's antitrust suit against Mediatek, with Future Link Systems and IPValue Management Inc. added as parties to discovery motions. Multiple sealing motions were filed in mid-April 2026 alongside competing motions to compel deposition testimony under Federal Rule of Civil Procedure 30(b)(6). Judge van Keulen issued discovery rulings on April 15 and April 21, 2026, addressing the parties' disputes over witness availability and document production in San Jose.
Semiconductor industry participants involved in litigation should monitor this case for discovery practice developments, particularly regarding 30(b)(6) deposition obligations and sealing procedures in technology antitrust matters. The parallel motions to compel filed by both sides suggest contested discovery scope issues that could signal the types of protective order disputes common in complex commercial litigation.
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Realtek Semiconductor Corp. v. Mediatek, Inc. et al
Case Number: 5:23-cv-02774-PCP Judge: Pitts, P. Casey Location: San Jose Case Type: Civil Case Basis: Federal Question Nature of Suit: Anti-Trust Date Filed:
June 6, 2023
Last Filing Date:
April 10, 2026
View Publicly Available Documents Case Summary No summary of this case is available
Recent Filings
| Date Filed | Docket Number | Document Description |
|---|---|---|
| 04-22-26 | 335 | Statement re [331] Administrative Motion to Consider Whether Another Party's Material Should Be Sealed by Future Link Systems, LLC, IPValue Management Inc.. (Ledahl, Brian) |
| 04-21-26 | 333 | ORDER re [329] [330] [332] Discovery Disputes; Setting Discovery Hearing. Signed by Judge Susan van Keulen on 4/21/2026. (Attachments: # (1) Attachment A - chart of rulings re Dkt. 329, # (2) Attachment B - chart of rulings re Dkt. 332)(s |
| 04-20-26 | 330 | Joint Discovery Letter Brief REGARDING FUTURE LINK AND IPVALUES MOTION TO COMPEL PLAINTIFF REALTEK TO PROVIDE ITS WITNESSES FOR DEPOSITION IN SAN JOSE filed by Future Link Systems, LLC, IPValue Management Inc.. (Attachments: # (1) Proposed |
| 04-20-26 | 331 | Administrative Motion to Consider Whether Another Party's Material Should Be Sealed filed by Realtek Semiconductor Corp.. (Attachments: # (1) Unredacted Joint Statement, # (2) Proposed Order)(Hochstadt, Eric) |
| 04-20-26 | 332 | Joint Discovery Letter Brief Regarding Realtek's Motion to Compel 30(B)(6) Testimony from IPValue and Future Link filed by Realtek Semiconductor Corp.. (Attachments: # (1) Exhibit A, # (2) Exhibit B, # (3) Exhibit C)(Hochstadt, Eric) |
| 04-16-26 | 329 | Joint Discovery Letter Brief regarding Future Link and IPValues Motion to Compel Plaintiff Realtek to Provide a 30(b)(6) Witness filed by Future Link Systems, LLC, IPValue Management Inc.. (Attachments: # (1) Exhibit A, # (2) Exhibit B, # |
| 04-15-26 | 326 | Statement re [325] Order,,, [324] Statement / Joint Supplemental Statement Regarding Mediatek's Request to Compel Testimony by Mediatek, Inc.. (Attachments: # (1) Exhibit A - REDACTED)(Wolfson, Adam) |
| 04-15-26 | 327 | Administrative Motion to Consider Whether Another Party's Material Should Be Sealed filed by Mediatek, Inc.. (Attachments: # (1) Proposed Order, # (2) Exhibit A - SEALED)(Wolfson, Adam) |
| 04-15-26 | 328 | Order re [326] [324] Discovery Dispute. Signed by Judge Susan van Keulen on 4/15/2026. (Attachments: # (1) Exhibit A - chart of court rulings)(svklc1, COURT STAFF) |
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