Choon's Design LLC v. Anhetoy

CourtDistrict Court, E.D. Michigan
DecidedFebruary 7, 2025
Docket4:22-cv-12963
StatusUnknown

This text of Choon's Design LLC v. Anhetoy (Choon's Design LLC v. Anhetoy) is published on Counsel Stack Legal Research, covering District Court, E.D. Michigan primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Choon's Design LLC v. Anhetoy, (E.D. Mich. 2025).

Opinion

IN THE UNITED STATES DISTRICT COURT EASTERN DISTRICT OF MICHIGAN SOUTHERN DIVISION

CHOON’S DESIGN LLC, Case No. 4:22-cv-12963-FKB-APP

Plaintiff, Hon. F. Kay Behm Mag. Anthony P. Patti v.

ANHETOY et al.,

Defendants.

OPINION AND ORDER CONSTRUING DISPUTED CLAIM TERMS

This is a patent and trademark infringement case in which Plaintiff Choon’s Design LLC (“Choon’s Design”) alleges that dozens of online sellers from China (identified by their ecommerce store names in Exhibit 1 to the Complaint (collectively, “Defendants”)) are flooding the online marketplace with rubber band crafting kits that infringe Choon’s Design’s patent and Rainbow Loom® brand. Choon’s Design filed this case on December 7, 2022, alleging, inter alia, that Defendants infringe U.S. Patent No. 8,899,631 (the “’631 Patent”). ECF No. 1. Pursuant to the Court’s Scheduling Order, the parties were to identify the disputed claim terms within the ’631 Patent that they feel are material to the infringement and validity issues in this case. Choon’s Design and two groups of Defendants1 have submitted briefs explaining their positions on how the disputed claim terms

should be construed.2 The Court held oral argument on January 29, 2025. In this Opinion and Order, the Court will construe the disputed claim terms identified by the parties, pursuant to Markman v. Westview Instruments, Inc., 517 U.S. 370

(1996). I. BACKGROUND This case involves do-it-yourself rubber band crafting kits for making uniquely colored bracelets, necklaces, and other trinkets from colorful rubber

bands. As distinguished from kits that only provide raw materials, the kits come with tools to help users of all skill levels manipulate the rubber bands to form a series of links.

1 The two groups of Defendants are: (1) EasyBuy–US, Funzbo, Big Totoro, and Yyds11 (“First Group”); and (2) Hzbhllx, Jming, Yczl, and Xtieksh (“Second Group”). All other Defendants are either in default or have settled.

2 See Choon’s Design’s Opening Markman Brief (ECF No. 126); First Group’s Response Brief (ECF No. 134); Second Group’s Response Brief (ECF No. 139); Choon’s Design’s Reply Brief (ECF No. 142). A. The ’631 Patent The ’631 Patent, entitled “Brunnian Link Making Device and Kit,” was filed

in the United States Patent and Trademark Office (the “USPTO”) on September 25, 2012 and issued on December 2, 2014.3 The ’631 Patent is directed to a kit that includes a “template,” known in the marketplace as a “mini-loom,” and “C-Clips,” referring to their C-shaped design.

In the marketplace for rubber band crafting kits, the template is a handheld part with two spaced apart pins particularly suitable for making rubber band bracelets. As shown in Figure 1, reproduced below, the kit (10) includes elastic bands

(18), a template (12 or 15) for supporting the elastic bands (18), a hook (14) for manipulating the elastic bands (18), and clips (16) for securing the elastic bands (18) on the ends of the completed series of links. For a basic understanding of how the linking process works, Figure 9H, reproduced below, illustrates that after

placing one elastic band (18) on the template (12), the hook (14) can be used to loop another elastic band (18) through the one on the template (12).

3 At the time the parties filed their Markman briefs, a reexamination proceeding initiated by a third party was pending at the USPTO. On December 11, 2024, the USPTO issued a reexamination certificate confirming the novelty and non-obviousness of the claims of the ’631 Patent, with minor amendments not material to the disputed issues of claim construction raised by the parties. Ex Parte Reexamination Certificate No. 8,899,631 C1. 8) PULL THE HOOK BACK TO MAKE A LOOP THROUGH ‘st RB 14 10 Ke Oe a [Au eo". Ces 18 O000 J 2 wr sy FIG.1 18 FIG.9H The ’631 Patent discloses three embodiments of a template.* As shown in Figures 4-6, reproduced below, in the first embodiment, the template (12) includes two pins (28A, 28B) connected by a bridge (36) that defines the distance (52) between the pins (28A, 28B). Each pin (28A, 28B) includes an upper flange (30A, 30B) and a lower base (32A, 32B) opposed about a center barrel portion (40A, 40B), and an access groove (34A, 34B) extending through the pin (28A, 28B). The bridge (36) extends between the bases (32A, 32B) of the pins (28A, 28B), and the pins (28A, 28B) are connected by the bridge (36) at the bases (32A, 32B). The barrel portions (40A, 40B) support the elastic bands (18), and the flanges (30A, 30B) and the bases (32A, 32B) extend outwardly from the barrel portions (40A, 40B) to prevent the elastic bands (18) from sliding off the pins (28A, 28B). The access

* The embodiments are respectively shown in Figures 4-6, Figures 9A-9K, and Figures 10-12. The Court notes that the written description is organized around two main embodiments, the “template 12” discussed with reference to both Figures 4-6 and Figures 9A-9K, and the “template 15” discussed with reference to Figures 10-12. However, as to the “template 12,” it is apparent that the part illustrated in Figures 9A-9K is different from the part illustrated in Figures 4-6, particularly with respect to the way the pins are connected.

grooves (34A, 34B) are disposed on outward facing sides (38A, 38B) of the template (12), and allow the hook (14) to reach into the pins (28A, 28B) behind the elastic bands (18). 52 ai

548 =>) 30A (C S4A 308 Woy FIG.6

30A,308 50By 444 (0A 28A 28B a2 34.8 40A,B 46 40A 38B~ 40B 58 42 32A,B 428 304 36 FIG.5 °°" FG.4 With respect to the remaining embodiments, the Court notes that the written description is generally limited to referring to the figures and naming the numbered features. As shown with additional reference to Figure 9A, reproduced below, in the second embodiment, the template (12) includes two pins (28A, 28B) connected by an unnumbered bridge. Similar to the first embodiment, each pin (28A, 28B) includes an access groove (34). Moreover, it can be seen that each pin (28A, 28B) includes an unnumbered upper flange and an unnumbered lower base. On the other

hand, the two parts are different with respect to the relationship between the pins and the bridge. In the first embodiment, the bridge (36) is disposed under the pins (28A, 28B), and connected with the bottoms of the bases (32A, 32B). In the second embodiment, the pins (28A, 28B) have taller bases, and the bridge is disposed between the pins (28A, 28B), and connected along the sides of the bases. 1) TEMPLATE

oBBS Log 34 1

As shown in Figures 10-12, reproduced below, in the third embodiment, the template (15) includes two pins (21) supported on a holder (17). Each pin (21) includes a first end (23) and a base end (27), and arms (19) disposed on either side of an access groove (25). Moreover, it can be seen that the holder (17) includes an

upper bridge portion. In the third embodiment, the bridge portion is disposed between the pins (21), and connected with both the base ends (27) and the arms (19).

23 23 m1 21 ae □□ et 19 19 15 ae 25 27 27 95 JE- 17 FIG.10 FIG.11 FIG.12

In addition to the embodiments of a template, the °631 Patent discloses one embodiment of a clip. As shown in Figures 7 and 8, reproduced below, the clip (16) is C-shaped, and includes inward facing ends (48). In association with the C- shaped design, the clip (16) defines an interior space (50) for receiving the elastic bands (18). The inward facing ends (48) are disposed on each side of an opening to the interior space (50), and prevent the elastic bands (18) from sliding out from the interior space (50) through the opening off the clip (16).°

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