Now Rippling is counter suing tiny startup Runlayer

HR startup Rippling has filed a patent infringement lawsuit against Runlayer, escalating a legal battle that began when Runlayer sued Rippling for breach of contract. The conflict centers on the development of MCP gateway technology and highlights the risks of intellectual property disputes between startups and their potential customers.
Why it matters
This case illustrates the volatile nature of B2B relationships in the AI-powered software industry, where rapid product development often leads to legal friction.
HR startup Rippling filed a lawsuit Monday accusing MCP gateway startup Runlayer of infringing on three of its patents, according to the lawsuit seen by TechCrunch.
The filing comes after Runlayer sued the HR startup last month, accusing it of breach of contract and stealing its product ideas .
It’s the latest saga between the two companies after Rippling spent nearly a year testing the startup’s MCP product. The two companies never agreed on a price, and the trial never turned into a paid contract. Instead, Rippling built its own MCP server, and will soon offer it as a product that competes with Runlayer. (Rippling often turns its internally used tech into products, like its recently released AI Spend Console .)
Their battle serves as a warning of how the relationship between customers and startups can devolve in this AI-powered age of fast product building.
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