Explore the details of the Arex Industries, Inc. v. Diode Dynamics, LLC et al case under case number 4:2025cv00541 involving a cause of action for Patent Infringement. Review key information about the parties involved, the patents in question, and the docket entries.

Case Details

Case Number
4:2025cv00541
Filing Date
Apr 18, 2025
Cause of Action
Patent Infringement
Status
OPEN
Case Link
View Case
Nature of Suit
830

Plaintiffs

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

CompanyRepresented By
Arex Industries, Inc.
INHOUSE CO. LAW FIRM
HUSCH BLACKWELL LLP - St. Louis

Defendants

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

CompanyRepresented By
Diode Dynamics, LLC
HARNESS IP - St. Louis
Does 1-10 -

Patents Involved in the Case

This case involves 26 patents, each of which is central to the dispute. These patents may be subject to claims of infringement, challenges to their validity, or other issues concerning their scope and enforcement.

Application NumberPatent Number
29452437USD701985B1
29515295USD763485S1
29515372USD762890S1
29596026USD812791B1
29612303USD833043S1
29700494USD919133S1
29700498USD904652S1
29725690USD898963S1
29725693USD919140S1
29726377USD922624B1
29726379USD922625B1
29729085USD929622S1
29756126
29757944
29758044USD1020003B1
29768985
29790224
29809870USD1016347B1
29811424USD1020007B1
29820767USD1032890B1
29822857USD1013107B1
29824584
29836382USD1028301B1
29847491USD1055331B1
29867488USD1013232B1
29881906

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

May 20, 2025MOTION to WITHDRAW Motion for Preliminary Injunction: by Plaintiff Arex Industries, Inc. re 4 MOTION for Preliminary Injunction (Telscher, Rudolph) (Modified on 5/21/2025, update filing from Notice to Motion) (TLR). (Entered: 05/20/2025)MOTION
May 14, 2025 ENTRY of Appearance by Christopher Reed Clayton for Defendant Diode Dynamics, LLC. (Clayton, Christopher) (Entered: 05/14/2025)ENTRY
May 6, 2025Docket Text ORDER: The Court grants Arex Industries's 13 Consent Motion for Extension of Time and Stay of Preliminary Injunction Deadline. Therefore, Diode Dynamics must, no later than June 3, 2025, file its response to the complaint. The Court also orders that the parties must, no later than May 20, 2025, submit their proposed schedule(s) regarding Arex Industries's motion for a preliminary injunction. Signed by Chief District Judge Stephen R. Clark on 5/6/2025. (TLR) (Entered: 05/06/2025)-
May 5, 2025 DISCLOSURE STATEMENT by Diode Dynamics, LLC. [LLC members added into CM/ECF per the Disclosure Statement]. (Robinson, Douglas) Modified on 5/6/2025 (ANR). (Entered: 05/05/2025)DISCLOSURE STATEMENT
May 5, 2025Consent MOTION for Extension of Time to File Response/Reply as to 4 MOTION for Preliminary Injunction , 1 Complaint, by Defendant Diode Dynamics, LLC. (Attachments: # 1 Proposed Order)(Robinson, Douglas) (Entered: 05/05/2025)-
May 5, 2025 ENTRY of Appearance by Douglas A. Robinson for Defendant Diode Dynamics, LLC. (Robinson, Douglas) (Entered: 05/05/2025)ENTRY
Apr 23, 2025AMENDED DISCLOSURE STATEMENT by Arex Industries, Inc.. No corporate parents or affiliates identified. (Chen, Alexander) (Entered: 04/23/2025)AMENDED DISCLOSURE STATEMENT
Apr 23, 2025SUMMONS Returned Executed filed by Arex Industries, Inc.. Diode Dynamics, LLC served on 4/22/2025, answer due 5/13/2025. (Telscher, Rudolph) Modified service/answer dates on 4/24/2025 (LNJ). (Entered: 04/23/2025)SUMMONS
Apr 22, 2025Docket Text ORDER: The Court orders the parties to review and comply with the undersigned's Judge's Requirements, located on the Eastern District of Missouri's court website: Chief Judge Stephen R. Clark's Requirements. The undersigned periodically updates his Judge's Requirements, and the parties must ensure that they are complying with the most recent version before filing any document. Failure to comply with the requirements may result in the imposition of "sanction[s] or other disadvantage." Fed. R. Civ. P. 83(b). Signed by Chief District Judge Stephen R. Clark on 4/22/2025. (TLR) (Entered: 04/22/2025)-
Apr 21, 2025 ENTRY of Appearance by Theodore S. Lee for Plaintiff Arex Industries, Inc.. (Lee, Theodore) (Entered: 04/21/2025)ENTRY
Apr 21, 2025 ENTRY of Appearance by Alexander Chen for Plaintiff Arex Industries, Inc.. (Chen, Alexander) (Entered: 04/21/2025)ENTRY
Apr 21, 2025REPORT to Commissioner of filing or determination of an action regarding patent. (JBH) (Entered: 04/21/2025)REPORT
Apr 21, 2025NOTICE of Filing Deficiency re 2 Disclosure Statement filed by Plaintiff Arex Industries, Inc.. In accordance with Eastern District of Missouri Local Rules and the Case Management/Electronic Case Filing (CM/ECF) Procedures Manual, a filing deficiency has been identified as follows: Party filed the Disclosure Statement in this action in which jurisdiction is based on diversity under 28 U.S.C.1332(a) but, did not identify the state of incorporation/formation AND the primary state of business for Arex Industries, Inc. in section 2 of the form. An amended Disclosure statement must be filed. (ANR) (Entered: 04/21/2025)NOTICE
Apr 18, 2025 MOTION for Preliminary Injunction by Plaintiff Arex Industries, Inc.. (Attachments: # 1 Memorandum ISO of Preliminary Injunction, # 2 Chan Decl. ISO Prelim Injunction, # 3 Exhibit 2-Chan Decl., # 4 Exhibit 3-Chan Decl., # 5 Exhibit 4-Chan Decl., # 6 Exhibit 5-Chan Decl., # 7 Exhibit 6-Chan Decl., # 8 Exhibit 7-Chan Decl., # 9 Noble Decl. ISO Prelim Injunction, # 10 Exhibit 1-Noble Decl., # 11 Text of Proposed Order)(Telscher, Rudolph) (Entered: 04/18/2025)MOTION
Apr 18, 2025NOTICE by Plaintiff Arex Industries, Inc. re 1 Complaint, Form AO120 (Telscher, Rudolph) (Entered: 04/18/2025)NOTICE
Apr 18, 2025 DISCLOSURE STATEMENT by Arex Industries, Inc.. No corporate parents or affiliates identified. (Telscher, Rudolph) (Entered: 04/18/2025)DISCLOSURE STATEMENT
Apr 18, 2025COMPLAINT against defendant Diode Dynamics, LLC, Does 1-10, inclusive with receipt number AMOEDC-11210272, in the amount of $405 Non-Jury Demand,, filed by Arex Industries, Inc.. (Attachments: # 1 Exhibit 1 - Patent, # 2 Civil Cover Sheet, # 3 Original Filing Form, # 4 Summons)(Telscher, Rudolph) (Entered: 04/18/2025)COMPLAINT