Pacific Research Group Pte. Ltd. v. Analog Devices, Inc.

7:26-cv-00186

Overview

Case Number 7:26-cv-00186

Filing Date 2026-05-08

Status Litigation filed

Court District Court, W.D. Texas

Nature of Suit 830 Patent

Parties

Defendant

Analog Devices, Inc.

Represented By

4 Attorneys Listed

Joshua N. Andrews

K&L Gates LLP

Tel: +1 (315) 391-0417

1 Congress St., Suite 2900

Jared R. Lund

K&L Gates, Chicago

Tel: +1 (312) 807-4287

K&L Gates, Chicago, 70 West Madison Street

Christopher Centurelli

K&L Gates LLP

Tel: +1 (617) 261-3276

One Congress Street, Suite 2900, Boston, MA 02114

Erik J. Halverson

K&L Gates LLP

Tel: +1 (415) 882-8238

4 Embarcadero Center, Suite 1200, San Francisco, CA 94111

Plaintiff

Pacific Research Group Pte. Ltd.

Represented By

7 Attorneys Listed

Steven Hartsell

Stris & Maher LLP

Tel: +1 (214) 225-8659

1920 McKinney Ave., Suite 700, Dallas, TX 75201

Rex Hwang

Skiermont Derby LLP

Tel: +1 (213) 978-4500

Fax: +1 (213) 788-4545

633 West 5th Street, Suite 5800, Los Angeles, CA 90071

Charles C. Koole

Skiermont Derby LLP

Tel: +1 (214) 978-6600

Fax: +1 (214) 978-6601

800 Wilshire Boulevard, Suite 1450, Los Angeles, CA 90017

Paul Joseph Skiermont

Skiermont Derby LLP

Tel: +1 (214) 978-6600

Fax: +1 (214) 978-6601

1601 Elm Street, Suite 4400, Dallas, TX 75201

Michael D. Ricketts

Skiermont Derby LLP

Tel: +1 (214) 978-6600

Fax: +1 (214) 978-6601

1601 Elm Street, Suite 4400, Dallas, TX 75201

Michael C. Pomeroy

Skiermont Derby LLP

Tel: +1 (214) 978-6611

Fax: +1 (214) 978-6601

1601 Elm Street, Suite 4400

Bradley David Liddle

Skiermont Derby LLP

Tel: +1 (214) 978-6621

Fax: +1 (214) 978-6601

1601 Elm Street, Ste 4400

Court & Judges

Court

District Court, W.D. Texas

Presiding Judge

Walter David Counts III

Patents Involved

No asserted patent numbers detected in initial docket filings yet.

Docket Entries

COMPLAINT ( Filing fee $ 405 receipt number ATXWDC-21913645), filed by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Exhibit E, # 6 Exhibit F, # 7 Exhibit G, # 8 Exhibit H, # 9 Civil Cover Sheet)(Liddle, Bradley) (Entered: 05/08/2026)

2026-05-08

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COMPLAINT ( Filing fee $ 405 receipt number ATXWDC-21913645), filed by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Exhibit E, # 6 Exhibit F, # 7 Exhibit G, # 8 Exhibit H, # 9 Civil Cover Sheet)(Liddle, Bradley) (Entered: 05/08/2026)

2026-05-08

Download

COMPLAINT ( Filing fee $ 405 receipt number ATXWDC-21913645), filed by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Exhibit E, # 6 Exhibit F, # 7 Exhibit G, # 8 Exhibit H, # 9 Civil Cover Sheet)(Liddle, Bradley) (Entered: 05/08/2026)

2026-05-08

Download

COMPLAINT ( Filing fee $ 405 receipt number ATXWDC-21913645), filed by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Exhibit E, # 6 Exhibit F, # 7 Exhibit G, # 8 Exhibit H, # 9 Civil Cover Sheet)(Liddle, Bradley) (Entered: 05/08/2026)

2026-05-08

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Pacific Research Group Pte. Ltd. v. Analog Devices, Inc.

Overview

Parties

Defendant

Analog Devices, Inc. Follow

Represented By

Plaintiff

Pacific Research Group Pte. Ltd. Follow

Represented By

Court & Judges

Patents Involved

Docket Entries

Notice of Filing of Patent/Trademark Form (AO 120). AO 120 forwarded to the Director of the U.S. Patent and Trademark Office. (Liddle, Bradley) (Entered: 05/08/2026)

RULE 7 DISCLOSURE STATEMENT filed by Pacific Research Group Pte. Ltd. identifying Corporate Parent Hong Kong Technologies Group Limited for Pacific Research Group Pte. Ltd.. (Liddle, Bradley) (Entered: 05/08/2026)

REQUEST FOR ISSUANCE OF SUMMONS by Pacific Research Group Pte. Ltd.. (Liddle, Bradley) (Entered: 05/08/2026)

Summons Issued as to Analog Devices, Inc. (llm) (Entered: 05/08/2026)

Case Assigned/Reassigned

SUMMONS Returned Executed by Pacific Research Group Pte. Ltd.. Analog Devices, Inc. served on 5/12/2026, answer due 6/2/2026. (Liddle, Bradley) (Entered: 05/12/2026)

NOTICE of Attorney Appearance by Erik J. Halverson on behalf of Analog Devices, Inc.. Attorney Erik J. Halverson added to party Analog Devices, Inc.(pty:dft) (Halverson, Erik) (Entered: 05/28/2026)

Unopposed MOTION for Extension of Time to File Answer re 1 Complaint, by Analog Devices, Inc.. (Attachments: # 1 Proposed Order)(Halverson, Erik) (Entered: 05/28/2026)

Unopposed MOTION for Extension of Time to File Answer re 1 Complaint, by Analog Devices, Inc.. (Attachments: # 1 Proposed Order)(Halverson, Erik) (Entered: 05/28/2026)

RULE 7 DISCLOSURE STATEMENT filed by Analog Devices, Inc.. (Halverson, Erik) (Entered: 05/28/2026)

Set/Reset Answer Deadline

Order on Motion for Extension of Time to Answer

Reset Deadlines: Analog Devices, Inc. answer due 7/17/2026. (llm)

NOTICE of Attorney Appearance by Steven W. Hartsell on behalf of Pacific Research Group Pte. Ltd.. Attorney Steven W. Hartsell added to party Pacific Research Group Pte. Ltd.(pty:pla) (Hartsell, Steven) (Entered: 06/02/2026)

NOTICE of Attorney Appearance by Charles C. Koole on behalf of Pacific Research Group Pte. Ltd.. Attorney Charles C. Koole added to party Pacific Research Group Pte. Ltd.(pty:pla) (Koole, Charles) (Entered: 06/02/2026)

NOTICE of Attorney Appearance by Rex Hwang on behalf of Pacific Research Group Pte. Ltd.. Attorney Rex Hwang added to party Pacific Research Group Pte. Ltd.(pty:pla) (Hwang, Rex) (Entered: 06/05/2026)

ANSWER to 1 Complaint, with Jury Demand by Analog Devices, Inc..(Halverson, Erik) (Entered: 07/17/2026)

MOTION to Transfer Case by Analog Devices, Inc.. (Attachments: # 1 Exhibit A - Dufort Declaration, # 2 Exhibit B - Nunnery Declaration, # 3 Exhibit C - Halverson Declaration, # 4 Proposed Order)(Halverson, Erik) (Entered: 07/17/2026)

MOTION to Transfer Case by Analog Devices, Inc.. (Attachments: # 1 Exhibit A - Dufort Declaration, # 2 Exhibit B - Nunnery Declaration, # 3 Exhibit C - Halverson Declaration, # 4 Proposed Order)(Halverson, Erik) (Entered: 07/17/2026)

MOTION to Transfer Case by Analog Devices, Inc.. (Attachments: # 1 Exhibit A - Dufort Declaration, # 2 Exhibit B - Nunnery Declaration, # 3 Exhibit C - Halverson Declaration, # 4 Proposed Order)(Halverson, Erik) (Entered: 07/17/2026)

MOTION to Transfer Case by Analog Devices, Inc.. (Attachments: # 1 Exhibit A - Dufort Declaration, # 2 Exhibit B - Nunnery Declaration, # 3 Exhibit C - Halverson Declaration, # 4 Proposed Order)(Halverson, Erik) (Entered: 07/17/2026)

MOTION to Transfer Case by Analog Devices, Inc.. (Attachments: # 1 Exhibit A - Dufort Declaration, # 2 Exhibit B - Nunnery Declaration, # 3 Exhibit C - Halverson Declaration, # 4 Proposed Order)(Halverson, Erik) (Entered: 07/17/2026)

Pro Hac Vice Letter to Christopher Centurelli, Jared R. Lund, and Joshua N. Andrews as to Analog Devices, Inc. (kg) (Entered: 07/20/2026)

ORDER AND ADVISORY. CASE REFERRED to Magistrate Judge Derek T. Gilliland. Signed by Judge David Counts.. Referral Magistrate Judge: Derek T. Gilliland. (jb3) (Entered: 07/21/2026)

NOTICE of Intent to Proceed with Venue Discovery by Pacific Research Group Pte. Ltd. (Liddle, Bradley) (Entered: 07/21/2026)

CONSENT to Trial by US Magistrate Judge by Pacific Research Group Pte. Ltd.. (Liddle, Bradley) (Entered: 07/27/2026)

NON-CONSENT to Trial by US Magistrate Judge by Analog Devices, Inc.. (Halverson, Erik) (Entered: 07/27/2026)

MOTION to Appear Pro Hac Vice by Erik J. Halverson for Christopher Centurelli ( Filing fee $ 100 receipt number ATXWDC-22431779) by on behalf of Analog Devices, Inc.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Halverson, Erik) (Entered: 08/05/2026)

MOTION to Appear Pro Hac Vice by Erik J. Halverson for Christopher Centurelli ( Filing fee $ 100 receipt number ATXWDC-22431779) by on behalf of Analog Devices, Inc.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Halverson, Erik) (Entered: 08/05/2026)

MOTION to Appear Pro Hac Vice by Erik J. Halverson for Joshua Andrews ( Filing fee $ 100 receipt number ATXWDC-22431821) by on behalf of Analog Devices, Inc.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Halverson, Erik) (Entered: 08/05/2026)

MOTION to Appear Pro Hac Vice by Erik J. Halverson for Joshua Andrews ( Filing fee $ 100 receipt number ATXWDC-22431821) by on behalf of Analog Devices, Inc.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Halverson, Erik) (Entered: 08/05/2026)

MOTION to Appear Pro Hac Vice by Erik J. Halverson for Jared R. Lund ( Filing fee $ 100 receipt number ATXWDC-22431867) by on behalf of Analog Devices, Inc.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Halverson, Erik) (Entered: 08/05/2026)

MOTION to Appear Pro Hac Vice by Erik J. Halverson for Jared R. Lund ( Filing fee $ 100 receipt number ATXWDC-22431867) by on behalf of Analog Devices, Inc.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Halverson, Erik) (Entered: 08/05/2026)

Order on Motion to Appear Pro Hac Vice

NOTICE of Related Case by Pacific Research Group Pte. Ltd. (Liddle, Bradley) (Entered: 08/14/2026)

ORDER Setting/Resetting Initial Pretrial Conference. Initial Pretrial Conference set for 10/28/2026 at 02:00 PM in Waco before Judge Derek T. Gilliland. Signed by Judge Derek T. Gilliland. (slt) (Entered: 08/19/2026)

STANDING ORDER REGARDING FILING DOCUMENTS UNDER SEAL AND REDACTED PUBLIC VERSIONS. Signed by Judge David Counts. (r013) (Entered: 08/26/2026)

Joint MOTION for Confidentiality/Protective Order by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Exhibit A - Proposed Stipulated Protective Order). Motions referred to Judge Derek T. Gilliland. (Pomeroy, Michael) (Entered: 08/28/2026)

Unopposed MOTION to Withdraw as Attorney by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Proposed Order). Motions referred to Judge Derek T. Gilliland. (Liddle, Bradley) (Entered: 09/01/2026)

STIPULATED PROTECTIVE ORDER. Signed by Judge Derek T. Gilliland. (kg) (Entered: 09/02/2026)

Order on Motion to Withdraw as Attorney

Order on Motion for Miscellaneous Relief

Set/Reset Deadlines: Venue Discovery due by 10/9/2026. (kg)

Set/Reset Deadlines

Rule 26(f) Discovery Report/Case Management Plan by Pacific Research Group Pte. Ltd.. (Liddle, Bradley) (Entered: 10/15/2026)

Joint MOTION for Entry of Scheduling Order Deadlines by Pacific Research Group Pte. Ltd.. (Attachments: # 1 Exhibit A - Joint Proposed Scheduling Order). Motions referred to Judge Derek T. Gilliland. (Liddle, Bradley) (Entered: 10/15/2026)

Plaintiff's Opposition to Defendant Analog Devices, Inc.'s Motion to Transfer filed by Pacific Research Group Pte. Ltd. pursuant to W.D. Texas SDS procedures. (slt) (Entered: 10/23/2026)

ORDER CANCELLING INITIAL PRETRIAL CONFERENCE HELD IN PERSON. Signed by Judge Derek T. Gilliland. (kg) (Entered: 10/23/2026)

ORDER REGARDING DISCOVERY DISPUTES. Signed by Judge Derek T. Gilliland. (kg) (Entered: 10/23/2026)

Sealed Document

Track Case Updates

Analog Devices, Inc.

Pacific Research Group Pte. Ltd.