On Monday, Nike issued a $10 million lawsuit against three of its top designers who left the company and started working at rival adidas. The lawsuit alleges that the designers – Denis Dekovic, Marc Dolce and Mark Miner – used Nike’s trade secrets to sell themselves for the new job role.

Nike says that while the designers were still working for the company they began to build a blueprint to replicate Nike’s famous Innovation Kitchen and stole secrets from inside its walls to take elsewhere. This is the area where Nike experiments with new designs and starts to test them years before they would ever hit the market. Only a select few of its staff are allowed inside.

They’re also claiming that one of the designers, Denis Dekovic, had the contents of his work laptop duplicated, taking the documents across to adidas. These included team uniforms and designs for the 2016 European Championships, plans for Nike-sponsored athletes across seven countries, and unreleased financial information and projections.

Speaking to the Portland Business Journal via their law firm, the three designers defended themselves saying:

“We find Nike’s allegations hurtful because they are either false or are misleading half-truths. We did not take trade secrets or intellectual property when we departed Nike in September. The athletic footwear industry is fast moving and rapidly changing and, as creative people, we thrive on innovation and freshness. We are looking forward to bringing new and innovative ideas and designs to Adidas when our non-competition agreement expires.”