Plaintiff

Ningbo Ruitefei Sports Technology Co Ltd

1 case as plaintiff.

Company profile

Ningbo Ruitefei Sports Technology Co Ltd is a privately held Chinese company closely affiliated with the U.S. home fitness equipment brand, RitFit. While information on Ningbo Ruitefei itself is limited, its U.S. partner, RitFit LLC, was founded in Delaware in 2015 and has offices in Chino Hills, California. RitFit notes on its website that it partners with experienced fitness manufacturers, and U.S. import records show a "Ningbo Ritfit Sports Technology Co." as an associated company of a major shipper to RitFit LLC. The two companies act jointly in legal matters, indicating a strong business and manufacturing relationship.

The company manufactures and supplies a wide range of home gym and fitness equipment sold under the RitFit brand name. Major product lines include power racks, functional trainers, dumbbells, resistance bands, weight benches, and other strength training gear. The brand is focused on providing affordable and multi-functional equipment for the home gym market, catering to both beginner and experienced users. RitFit states that its product development has led to over 30 patents.

Ningbo Ruitefei’s patent litigation posture, based on available data, is that of an operating company enforcing its intellectual property. The company has appeared as a plaintiff in one tracked patent case and has no record of being a defendant. This activity shows a willingness to protect its product designs and technology from alleged infringement by competitors, rather than asserting acquired patents as a non-practicing entity (NPE).

The company's sole tracked litigation is a patent infringement lawsuit filed on April 17, 2026, in the Illinois Northern District Court. In this case, Ritfit LLC et al. v. Ningbo Huayue Dianzi Shangwu Youxian Gongsi et al., Ningbo Ruitefei is a co-plaintiff alongside its U.S. partner, RitFit LLC. The suit targets another China-based entity and its brand, "LIONSCOOL," for alleged patent infringement.

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