Mito Patented Solution Approved by e-Recordation
date:2022/04/06

Mito’s self-patented workaround solution for Brother TN221 and TN223 series has been registered in the e-Recordation program of U.S. Customs and Border Protection (CBP) intellectual property right (IPR).

Mito is the first Chinese Aftermarket company qualified for the recordation. It will safeguard Mito’s patented compatible toner cartridges in the U.S. and European markets.


Brother TN221 and TN223 series have been hot sales in the U.S. and European markets, constantly ranking in the top 50 sales under Amazon printer toner cartridges category. In August 2019, Brother filed the 337-1174 investigation, alleging that certain imported toner cartridges, components thereof, and systems containing same infringed Brother’s patents US9785093, US9575460, US9846387. USITC granted a general exclusive order (GEO) in November 2020, signalizing that any imported products will be denied entrance by the U.S. custom if accused of patent infringing. Meanwhile, the infringing products will also be removed from European-based e-commerce platforms too.

With painstaking research and adjustment, Mito worked out the fourth generation self-patented workaround solution for Brother TN221 and TN223 series, which was approved by the e-recordation program.

Mito’s self-patented solution, consisting of MTBR-221BK/C/M/Y and MTBT-227BK/C/M/Y toner cartridges, is set to be delivered by its automated production lines. To guarantee consistent printing quality, Mito claims that all core components (e.g. toners, chips and plastics) are from upstream companies within Dinglong group. For more information, please contact sales@mito.com.cn.



Mito is a subsidiary of Dinglong group. The patented toner cartridge has multiple guarantee designs,and has Dinglong’s independent structural solutions in key points such as detection structure and chip holder.

Leveraging Dinglong’s solid intellectual property system, Mito has grown its innovation capability and its core competitiveness with continuously increasing patent applications.

CBP’s e-Recordation Program Allows Trademark and Copyright Owners to Obtain Border Enforcement of Their Intellectual Property Rights. The recordation will remain in force concurrently with the underlying copyright registration if renewed with CBP every 20 years.

U.S. Customs and Border Protection (CBP) has the authority to detain, seize, forfeit, and ultimately destroy merchandise seeking entry into the United States if it bears an infringing trademark or copyright that has been registered with the U.S. Patent and Trademark Office (USPTO) or the U.S. Copyright Office (USCOP), and has subsequently been recorded with CBP.