Mobile Motherboard Inc. v. The Partnerships And Unincorporated Associations Identified On Schedule A

CourtDistrict Court, N.D. Illinois
DecidedMay 27, 2025
Docket1:24-cv-08703
StatusUnknown

This text of Mobile Motherboard Inc. v. The Partnerships And Unincorporated Associations Identified On Schedule A (Mobile Motherboard Inc. v. The Partnerships And Unincorporated Associations Identified On Schedule A) is published on Counsel Stack Legal Research, covering District Court, N.D. Illinois primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Mobile Motherboard Inc. v. The Partnerships And Unincorporated Associations Identified On Schedule A, (N.D. Ill. 2025).

Opinion

UNITED STATES DISTRICT COURT FOR THE NORTHERN DISTRICT OF ILLINOIS EASTERN DIVISION

MOBILE MOTHERBOARD INC.,

Plaintiff, No. 24 CV 8703 v. Judge Manish S. Shah AIOEXPC, ALADAWN, and AKLWY,

Defendants.

MEMORANDUM OPINION AND ORDER Plaintiff Mobile Motherboard, Inc. owns the right, title, and assignment of United States Reissued Patent No. RE48,365. The patent describes a computer system including a handholdable and portable motherboard. Defendants AIOEXPC, ALADAWN, and AKLWY are sellers of personal computer sticks that Mobile Motherboard alleges infringes its patent. Mobile Motherboard seeks a preliminary injunction enjoining defendants from infringing on its patent. I. Legal Standards A preliminary injunction is “an extraordinary remedy never awarded as of right.” Winter v. Nat. Res. Def. Council, Inc., 555 U.S. 7, 24 (2008). A plaintiff seeking a preliminary injunction must establish “that [it] is likely to succeed on the merits, that [it] is likely to suffer irreparable harm in the absence of preliminary relief, that the balance of equities tips in [its] favor, and that an injunction is in the public interest.” Incyte Corp. v. Sun Pharm. Indus., Ltd., 135 F.4th 1381, 1383 (Fed. Cir. 2025) (quoting Luminara Worldwide, LLC v. Liown Elecs. Co., 814 F.3d 1343, 1352 (Fed Cir. 2016)). While I look to Seventh Circuit law on preliminary injunctions, Federal Circuit precedent applies “insofar as it reflects considerations specific to patent issues.” BlephEx, LLC v. Myco Indus., 24 F.4th 1391, 1400 (Fed. Cir. 2022). II. Facts

Plaintiff Mobile Motherboard Inc. owns the right, title, and interest in Reissued Patent No. RE48,365. [29] ¶ 6–7.1 The patent is for a computer system made up of a computer box with internal circuitry and communication ports and a separate, portable, and handholdable motherboard that connects externally to the computer box and enables the computer box to perform computing operations, or, if the computer box is one with a processor, to boost the computing power of the computer box’s processor. [29-4] at 2, 17, 19.

Defendants AIOEXPC, ALADAWN, and AKLWY are Chinese companies who make and sell products, including a handheld computer stick. [29] ¶ 9. Mobile Motherboard alleges that the handheld computer sticks that defendants sell infringe its patent. [29] ¶ 10. III. Analysis A. Preliminary Injunction Likelihood of Success on the Merits Mobile Motherboard needs to show that it “is likely to succeed on the merits.”

BlephEx, 24 F.4th at 1398. To show likelihood of success on the merits, a patentee must show (1) its infringement claims will likely overcome any validity or

1 Bracketed numbers refer to entries on the district court docket. Referenced page numbers are taken from the CM/ECF header placed on the top of filings. The facts are taken from the plaintiff’s amended complaint, [29], and copy of the ’365 patent [29-4]. enforceability challenges to its patent and (2) it will likely show infringement. Natera, Inc. v. NeoGenomics Labs., Inc., 106 F.4th 1369, 1375 (Fed. Cir. 2024). If the defendant does not challenge the validity of the patent, the “very existence of the

patent with its concomitant presumption of validity satisfies the patentee’s burden of showing likelihood of success on the validity issue.” BlephEx, 24 F.4th at 1399 (quoting Titan Tire Corp. v. Case New Holland, Inc., 566 F.3d 1372, 1377 (Fed. Cir. 2009)). A district court does not have an obligation to construe a patent’s claims at this stage of the proceedings. Natera, 106 F.4th at 1375. The defendants here do not challenge the validity of the patent. Mobile

Motherboard has satisfied its burden of showing the likelihood of success on the issue of validity. The defendants do challenge Mobile Motherboard’s likelihood of success on the issue of infringement. They argue that their products do not directly infringe the patent because each independent claim of the ’365 patent requires a computer box with a housing (i.e., a monitor)—something the defendants’ devices do not have. They argue that their products are complete computer systems, while the patent only covers motherboards. They also argue that their products do not include separate

northbridge and southbridge circuitry, which they say is part of the patent. The defendants also contend that they do not indirectly infringe the ’365 patent because the complaint does not specify a direct infringer, and even if it did, the product does not include a monitor or separate northbridge and southbridge components. a. Direct Infringement Direct infringement generally requires a court to determine the scope and meaning of the claims asserted and then compare the properly construed claims to

the allegedly infringing device. Niazi Licensing Corp. v. St. Jude Med. S.C., Inc., 30 F.4th 1339, 1350 (Fed. Cir. 2022). To prove direct infringement the patentee must show that “the accused device contains each and every limitation of the asserted claims.” SIMO Holdings, Inc. v. H.K. uCloudlink Network Tech., Ltd., 983 F.3d 1367, 1380 (Fed. Cir. 2021) (quoting Ericsson, Inc. v. D-Link Systems, Inc., 773 F.3d 1201, 1215 (Fed. Cir. 2014)) (emphasis in original). The defendants argue that the patent requires a separate piece of equipment,

like a monitor, but that they do not sell their device with this equipment. [26] at 7–8. They also say that their products are “complete computer systems,” and that Mobile Motherboard’s limitation does not cover a complete computer system like defendants’. [26] at 10–11. They say their products can simply be connected to a keyboard and display to operate like a regular PC. [26] at 12–14. Defendants point to the prosecution history of the patent, where Mobile Motherboard said its product is not a

complete computer system, and requires more than just a connection to a keyboard and display to act as a regular PC. [26] at 11–12; [26-4] at 18. Independent Claim 1 of the patent describes a computer system that is made up of a computer box without a processor for performing computer operations and an external, portable, and handholdable motherboard with a central processor that “enables said computer box to perform computing operations.” [29-4] at 19. Independent Claim 11 of the patent describes a computer system that is made up of a computer box that has a central processor, and an external, portable, and handholdable motherboard with a second central processor that “enables said second central processor to add to the central processing functions of said first central

processor.” [29-4] at 19 (emphasis in original). Finally, Independent Claim 23 describes a computer system made up of a computer box and an external, portable, and handholdable motherboard that “enables said computer box to perform computing operations.” [29-4] at 19. The parties both provide an example of the computer box: a monitor. The defendants do not sell a separate “computer box” external to their product.

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