Putianshi Lichengqu Zengchangpai E-commerce Co., Ltd. v. Shuangfeng County Shuangwei Electronic Technology Co., Ltd.

CourtDistrict Court, N.D. Illinois
DecidedSeptember 19, 2025
Docket1:23-cv-02650
StatusUnknown

This text of Putianshi Lichengqu Zengchangpai E-commerce Co., Ltd. v. Shuangfeng County Shuangwei Electronic Technology Co., Ltd. (Putianshi Lichengqu Zengchangpai E-commerce Co., Ltd. v. Shuangfeng County Shuangwei Electronic Technology Co., Ltd.) 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
Putianshi Lichengqu Zengchangpai E-commerce Co., Ltd. v. Shuangfeng County Shuangwei Electronic Technology Co., Ltd., (N.D. Ill. 2025).

Opinion

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

PUTIANSHI LICHENGQU ) ZHENGCHANGPAI E-COMMERCE ) CO., LTD., ) ) Plaintiff, ) ) No. 23 C 2650 v. ) ) Judge Jorge Alonso SHUANGFENG COUNTY SHUANGWEI ) ELECTRONIC TECHNOLOGY CO., ) LTD., ) ) Defendant. )

MEMORANDUM OPINION AND ORDER

In this patent infringement case, Defendant has moved for dismissal as a sanction for Plaintiff’s perjury in its Federal Rule of Civil Procedure 30(b)(6) deposition. The magistrate judge supervising discovery has recommended granting the motion. For the following reasons, the Court agrees with the magistrate judge, adopts his report and recommendation, and dismisses this case.

I. Background and Procedural History

In this patent infringement case, Plaintiff, Putianshi Lichengqu Zhengchangpai E- Commerce Co., Ltd., seeks a declaratory judgment of invalidity and non-infringement of United States Design Patent No. D959,896 (“the ’896 Patent”), which is held by Defendant, Shuangfeng County Shuangwei Electronic Technology Co., Ltd. Defendant has counterclaimed for patent infringement.

The events that led to the filing of this case began in March 2023, when Plaintiff began to sell tumblers via an Amazon e-store. The following month, Defendant filed internal complaints with Amazon, alleging that Plaintiff’s tumblers infringed the ’896 Patent, which discloses “an ornamental design for a silicon sleeve bamboo lid.” (Compl. ¶ 8, ECF No. 1.) Via the internal complaints, Defendant asked Amazon to delist Plaintiff’s products, and Amazon complied. Plaintiff responded by filing this suit, contending that the ’896 Patent is invalid as anticipated by prior art, see 35 U.S.C. § 102(a)(1), Int’l Seaway Trading Corp. v. Walgreens Corp., 589 F.3d 1233, 1238, 1240-41 (Fed. Cir. 2009), and that Plaintiff is therefore not liable for patent infringement.

During a deposition of Plaintiff’s designated representative under Federal Rule of Civil Procedure 30(b)(6), Defendant showed the deponent nine screenshot exhibits consisting of certain Amazon listings through which Plaintiff’s Amazon store, known as “Tumble Cup,” had sold tumblers with the accused lids. Defendant explained to the deponent that it held a design patent for a lid, and it asked whether the products depicted in the listings were sold with lids as shown. The deponent confirmed that these tumblers did come with lids and that these were fair and accurate representations of certain of Plaintiff’s store’s Amazon listings. Defendant showed the deponent that he had propounded requests for production of sales data for any products incorporating silicone sleeve bamboo lids, and defense counsel asked if “the prior listings we talked about showed silicone sleeves and bamboo lids.” (Pl.’s R. 30(b)(6) Dep. Tr. at 41:21-42:20, ECF No. 97-1.) The deponent answered that they did. (Id. at 42:21-43:12.) Then, after a short discussion about Amazon sales reports, the following exchange ensued:

Q: The cups with the lids that we looked at today, is your company still selling that product into the United States as of today? INTERPRETER: I’m sorry, could you repeat the question, please? Q: Yes. The product that we talked about being sold by Tumble Cup on Amazon, is your company still selling that product into the United States as of today? INTERPRETER: You mean any of those products, right? Q: Any of those products, whether through Amazon or not? A: Okay. No, no. Q: Has your company sold the lid that we talked about today through any other website other than Amazon? A: No. Q: When did your store stop selling this lid that we talked about today? A: I don’t remember the exact time.

(Id. at 46:2-22.)

After the deposition, Defendant’s counsel avers, he visited Plaintiff’s Amazon store and found several active listings (see ECF Nos. 82-12–82-18) of tumblers with lids that were identical to those in the listings he had shown the deponent during the deposition as Exhibits 9 and 10 (ECF Nos. 82-4, 82-5). Shortly afterward, Defendant filed the present motion for sanctions, claiming that Plaintiff’s Rule 30(b)(6) representative had perjured himself by falsely claiming to have discontinued sales of all accused lids. He asks the Court to dismiss Plaintiff’s claims and enter default judgment against Plaintiff on Defendant’s counterclaim.

2 The magistrate judge supervising discovery in this case set a briefing schedule on the motion for sanctions. Plaintiff responded by arguing that its deponent had not lied under oath but misunderstood the question: most of the lids he had been shown (ECF Nos. 82-3, 82-6–82-11) had flat tops and no logo, but the bamboo lids in Deposition Exhibits 9 and 10, like the ones in the products that were still on sale through the Tumble Cup store, had rounded, raised outer edges and were inscribed with a “Hydraful” logo. Plaintiff argued that the deponent had believed Defendant was asking him about the flat lids, not the lids with the rounded, raised edges. Supporting this inference, Plaintiff argued, was the fact that the lids with the rounded, raised edges were covered by a different design patent, United States Design Patent No. D1,031,366, held by an entity from whom Plaintiff bought tumblers. And even if the deponent lied, according to Plaintiff, the lie was not material because the lids with the rounded, raised edges were arguably not infringing, given that they were the subject of a different design patent, which, like all patents, is presumed valid.

After holding an evidentiary hearing, the magistrate judge issued a report and recommendation in which he recommended granting the motion for sanctions and dismissing this case. He pointed out that the deponent did not testify at the evidentiary hearing, and Plaintiff did not submit an affidavit or any other evidentiary support for its position; Plaintiff simply argued that the record did not support any inference of intent to lie about a material issue. But what the record really did not support, the judge explained, was any assumption that the deponent believed that he was only being asked about lids with flat tops. Neither Defendant nor the deponent had made any distinction between the lids with flat tops and the lids with rounded, raised edges to that point in the deposition, or indeed so much as remarked upon the difference. The parties discussed silicone sleeve bamboo lids; they did not distinguish between different types of silicone sleeve bamboo lids. And “the interpreter’s question – “You mean any of those products, right? – seem[ed] to preclude the distinction” that Plaintiff was attempting to make between the flat lids and lids with rounded, raised edges. (R. & R. at 3, ECF No. 105.) Therefore, the magistrate judge concluded, the record did not support the theory that there was a simple misunderstanding. Further, the magistrate judge explained, the lie was material because Defendant had not conceded that the lids with the rounded, raised edges did not infringe its patent, so the deponent’s misstatement could have affected the Court’s decision as to infringing sales and the damages Defendant could obtain for them.

Plaintiff filed timely objections to the report and recommendation, which are now fully briefed and ripe for decision.

II. Legal Standards

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Putianshi Lichengqu Zengchangpai E-commerce Co., Ltd. v. Shuangfeng County Shuangwei Electronic Technology Co., Ltd., Counsel Stack Legal Research, https://law.counselstack.com/opinion/putianshi-lichengqu-zengchangpai-e-commerce-co-ltd-v-shuangfeng-county-ilnd-2025.