Canon takes a stand against patent infringement! The company has identified several toner cartridges sold on Amazon that allegedly violate their patents, including those from the Toner Bank brand offered by seller Inkqueen.
But here's the catch: Canon isn't just pointing fingers; they've taken action! On December 11, 2025, Canon reported these infringements to Amazon and requested the immediate removal of the offending products. The identified cartridges, listed in the table below, are said to infringe Canon's U.S. Patent No. 12,321,128.
| Country | Model | Brand | Seller | ASIN |
| --- | --- | --- | --- | --- |
| USA | W2180A, W2181A, W2182A, W2183A | Toner Bank | Inkqueen | B0FDKKGG12 |
| USA | W2180A, W2181A, W2182A, W2183A | LEMERO | UEXPECT MUTICO-US | B0DQTMCF3R |
| USA | W2180A, W2181A, W2182A, W2183A | MYTONER | Talent image | B0DR8BC2Q6 |
| USA | W2180X, W2181X, W2182X, W2183X | Toner | H-Party | B0DKHJJ9T6 |
| USA | W2180X, W2181X, W2182X, W2183X | True Image | LinkToner | B0D66S2M23 |
| USA | W2180X, W2181X, W2182X, W2183X | Cool Toner | Easily Color | B0DGFWVLFZ |
By the time Canon made this announcement, the listed products were already removed from Amazon.com, indicating a swift response from the e-commerce giant.
Canon's commitment to innovation is evident through its substantial investment in research and development, resulting in a vast patent portfolio. The company takes its intellectual property rights seriously and expects the same respect from others. Canon is prepared to take legal action against any entity that infringes on its patents, ensuring its innovations remain protected.
And this raises an interesting question: In the world of technology and innovation, how do we balance the protection of intellectual property with the need for accessibility and fair competition? Is Canon's move a necessary step to safeguard their inventions, or could it be seen as overly protective? Share your thoughts in the comments below!
