Anker Innovations Technology Co., Ltd. filed Anker Innovations Technology Co. v. Dongguan Sanqishi Technology Co., No. 2:26-cv-00988 (E.D. Tex.), on November 2, 2026, against five companies it ties to the THREEKEY brand: Dongguan Sanqishi Technology Co., Ltd., Shenzhen Suiqi Innovation Technology Co., Ltd., Sanqi Premium (Shenzhen) Co., Ltd., Shenzhen Crawford Technology Co., Ltd., and Three Key Industrial (HK) Co., Limited. The complaint describes the plaintiff as a Chinese company and the defendants, on information and belief, as companies organized under the laws of China, one of them in Hong Kong. Venue is pleaded under 28 U.S.C. § 1391(b)(3) and under § 1391(c)(3), the latter on the ground that the defendants are not U.S. residents.
The patents
The complaint asserts U.S. Patent 12,316,149, "Charging Device with Movable Board," issued May 27, 2025, and U.S. Patent 12,580,400, "Multi-in-one charging device," issued March 17, 2026. Claim 1 of the '149 patent, as quoted in the complaint, recites a charging device with a housing having a cavity, a body, and a flip cover pivotably connected to the body; a movable board with charging circuitry configured to slide relative to the cavity; and a power interface. Claim 1 of the '400 patent recites a body, a board with first charging circuitry that can move in at most one dimension relative to the body, and a cover with second charging circuitry movable between a position on the top surface of the body and an angled position.
The accused products
The complaint describes the accused products as charging stations with a housing, an internal cavity, and a flip cover hinged to the body, and alleges, on information and belief, that the defendants make and sell them, including products offered on Amazon under ASINs B0FMNPRGN9, B0G8XPCC9N, B0G8ZYKW16, B0F5VQXY35, and B0DT1316TR.
What the complaint alleges
Each count alleges direct infringement under 35 U.S.C. § 271(a), of at least claim 1 on information and belief, induced infringement under § 271(b), also pleaded on information and belief, and willful infringement. The complaint says Anker sent Amazon an infringement notice on the '149 patent on or around December 24, 2025, and that on December 30, 2025 Dongguan Sanqishi sent Anker two letters. According to the complaint's translations, one letter said sales on Amazon's U.S. marketplace began in April 2025 and that the company had overlooked a patent clearance review, and the other said parts of the structure of two listed products were similar or identical to the '149 patent and that production and promotion had been stopped.
Relief requested
The prayer asks for judgments of infringement and willfulness, damages no less than a reasonable royalty, interest and costs, enhanced damages under § 284, an exceptional case finding with attorneys' fees, an injunction, and an order directing those in privity with notice, including online marketplaces and payment providers, to stop providing services used to sell infringing goods, to stop displaying related advertisements, and to keep links to the defendants' marketplace accounts out of search results.
Where the case stands
The clerk issued summonses on November 3, 2026. Watch for service on the five defendants, which the complaint describes as foreign companies, and for any motion directed to the marketplace relief.