Portus Singapore PTE Ltd. v. Daikin Comfort Technologies North America, Inc. - 4:26-cv-01393

Portus Singapore PTE Ltd. v. Daikin Comfort Technologies North America, Inc. (Case No. 4:26-cv-01393), filed on Feb 20, 2026 in the District Court, S.D. Texas involving patent infringement. This case involves patent infringement claims between the parties. Explore details about the litigants, key filings, and major docket updates.

Case Details

Case Number
4:26-cv-01393
Filing Date
Feb 20, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, S.D. Texas
Nature of Suit
Patent

Parties Involved

The following parties are involved in this case, with their respective legal representatives for the case.

NameRepresented By
Portus PTY Ltd. -
Daikin Comfort Technologies North America, Inc. -

Patents Involved

Patents not found - set an alert to get notified when patents are added.

Docket Entries

The Docket Entries section provides a chronological list of all significant filings and court actions in this case.

DateDocket EntryType

Set alerts for critical docket entry

Feb 20, 2026CERTIFICATE OF INTERESTED PARTIES by Portus Singapore PTE Ltd., & Portus PTY Ltd., filed. (Ramey, William) (Entered: 02/20/2026)PACER Document
Feb 20, 2026Request for Issuance of Summons as to Daikin Comfort Technologies North America, Inc., filed. (Ramey, William) (Entered: 02/20/2026)PACER Document
Feb 20, 2026NOTICE Notice of Report re. Filing of Action Regarding a Patent (AO-120) by Portus Singapore PTE Ltd., & Portus PTY Ltd., filed. (Ramey, William) (Entered: 02/20/2026)PACER Document
Feb 20, 2026COMPLAINT against Daikin Comfort Technologies North America, Inc. (Filing fee $ 405 receipt number ATXSDC-35144980) filed by Portus Singapore PTE Ltd., & Portus PTY Ltd.. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Civil Cover Sheet) (Ramey, William) (Entered: 02/20/2026)PACER Document
Feb 23, 2026US Patent and Trademark Office Notified. AO 120, filed. (Attachments: # 1 Complaint) (bkt4) (Entered: 02/23/2026)PACER Document
Feb 23, 2026ORDER Scheduling Rule 16 Conference With the Court and Setting Out the Requirements for Initial Pretrial Work (Patent Case). Initial Conference set for 5/15/2026 at 11:00 AM by video before Judge Lee H Rosenthal. (Signed by Judge Lee H Rosenthal) (Attachments: # 1 Attachments) Parties notified. (bkt4) (Entered: 02/23/2026)PACER Document
Feb 23, 2026CLERKS NOTICE Regarding Consent to Jurisdiction of Magistrate Judge. Parties notified, filed. (bkt4) (Entered: 02/23/2026)PACER Document
Feb 23, 2026Referral Judge Selected: Magistrate Judge Christina A. Bryan randomly selected to receive referrals. The selected Magistrate Judge is not assigned to this case until a District Judge refers the case or a motion or the parties consent to jurisdiction of the Magistrate Judge. Once a referral has been made, the name of the referral judge will appear at the top of the docket sheet. (bkt4)PACER Document
Feb 24, 2026Summons Not Issued as to Daikin Comfort Technologies North America, Inc. due to these deficiencies: Name/Address of party or attorney does not match with address on file. Attorney or Plaintiff notified of deficiencies by NEF, filed. (smg4)PACER Document