Shenzhen's twin giants are tearing each other apart! DJI files a lawsuit, and Yingstone loses 5 billion in one day

GateUser-bd883c58 · 2026-03-29T03:43:07+00:00

Ask AI · Will patent disputes promote the industry to establish more transparent technological boundaries?Healthy competition, warmly welcome!Author | Fang LuEditor | Yu XingSource | Ye Ma FinanceRecently, the biggest buzz in the hard tech circle is DJI suing YingShi!DJI filed a lawsuit against YingShi involving six patent ownership disputes, with several former core R&D personnel from DJI being implicated, causing a huge stir. YingShi founder Liu Jingkang personally responded with a lengthy article, first humbly acknowledging that as a small company with limited resources, he fully understands the mindset of giants like GoPro and DJI being market competitors, then clearly stating that when sued, “you should spend money,” revealing that they are willing to spend over 10 million USD to win a lawsuit against GoPro, and empathizing with DJI’s mindset.On March 24, YingShi Innovation (688775.SH) announced that after careful internal investigation, all employees involved in the case were no longer with DJI.

GateUser-bd883c58

2026-03-29 03:43:07

Ask AI · Will patent disputes push the industry to set up more transparent technical boundaries?

Healthy sparring—warmly welcome!

Author | Fang Lu

Editor | Yu Xing

Source | Yema Finance

Recently, the biggest tech hardware “drama” in the hard-tech community is none other than DJI suing InfiStone!

DJI has filed a lawsuit involving six patent ownership-related disputes. Several former DJI core R&D personnel have been accused of participating, sending shockwaves through the industry. InfiStone’s founder, Liu Jingkang, personally stepped in to respond with a thousand-character statement. He first modestly said that as a small company, resources are limited, and claimed he fully understands the “big players’ mindset” of GoPro and DJI when their markets get taken. Then he made it clear that when you’re sued, “you should just pay, pay,” revealing that to beat GoPro in court, they were willing to spend more than $10 million USD. He added that when it comes to DJI, the “mindset is the same.”

On March 24, InfiStone Innovation (688775.SH) released an announcement stating that after a careful internal review, the employees involved in the case were all employees within one year after leaving DJI. During that period, the patent applications filed as inventors by the relevant employees—based on the existing evidence—were all original innovation achievements generated during their employment at the company, and the R&D process was legal and compliant.

**Even if InfiStone is tough and takes the call, on March 23—after the news of the lawsuit broke—its share price plunged 6.98% that day, and its market value evaporated by more than 5 billion yuan

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