Tag Archives: lawsuit

Japanese IP High Court upholds invalidation of RED’s key compressed RAW video patent

The Intellectual Property High Court of Japan has upheld the Japan Patent Office’s decision to invalidate one of RED’s important patents covering compressed RAW video recording in high-resolution cameras following a challenge by Panasonic. Here are the details:

Posted in Nikon Patents, RED| Also tagged | 73 Comments

Confirmed: Nikon lost the patent lawsuit against Viltrox in China

I have the full court ruling (all 25 pages are attached at the bottom of this post), and I can now confirm my report from yesterday: Nikon lost the patent lawsuit against Viltrox in China. The documents are in Chinese – here is the AI recap:

Posted in Nikon Lenses, Nikon Patents| Also tagged , | 371 Comments

It seems that Nikon lost the patent infringement lawsuit against Viltrox in China

Several readers have contacted me to report that Nikon’s Chinese Z-mount patent (202010127062.4) was declared fully invalid by CNIPA: I have very limited informtion on this, and no official source, so here is the AI recap based on the tips I received (see previous coverage of the Nikon vs. Viltrox lawsuit): Update/confirmed – Nikon lost […]

Posted in Nikon Lenses, Nikon Patents| Also tagged , | 138 Comments

Viltrox filed a patent in China that involves the Nikon Z-mount

Viltrox filed another patent in China that involves the Nikon Z-mount – here is the interpretation I got from AI translation:

Posted in Nikon Patents| Also tagged , , , | 9 Comments

Detailed report on the Nikon and third-party Chinese Z-mount lens manufacturers

This post on Chinese social media details the situation with Nikon and third-party Z-mount lens manufacturers. Here is the translated AI recap:

Posted in Nikon Lenses| Also tagged , , | 108 Comments

Stores and distributors in China are removing all Sirui Z-mount lenses

Several Chinese sources report that Sirui has removed Z-mount lenses from online stores. Apparently, all official Sirui stores and most distributors have removed all Z-mount lenses from their Taobao listings (China’s largest e-commerce platform). Only a few distributors still have Z-mount links available online: The official Sirui website still lists several Z-mount lenses. In the US, […]

Posted in Nikon Lenses| Also tagged , , , | 472 Comments

Rumors from China: Nikon is suing Viltrox

Rumors circulating on Chinese social media platforms claim that Viltrox is being sued by Nikon over a dispute regarding Z-mount lens licensing. Here is the translation:

Posted in Nikon Lenses| Also tagged , | 284 Comments