Shares of Coinbase Global (NASDAQ:COIN) inches up 0.68% in pre trading session on Monday after Veritaseum Capital LLC is suing, claiming that the crypto exchange infringed on a patent granted to Veritaseum founder Reggie Middleton.

Coinbase has utilized the patent for portions of its blockchain technology, according to Veritaseum, and the business is demanding at least $350 million in damages. Coinbase did not react quickly to CoinDesk’s request for comment on Friday.

Middleton and Veritaseum resolved a dispute with the Securities and Exchange Commission (SEC) in 2019, paying roughly $9.5 million for charges related to the company’s VERI token’s initial coin offering (ICO).

According to a Wall Street Journal story on Thursday, cryptocurrency exchange Coinbase (COIN) conducted a $100 million transaction earlier this year as a test of its proprietary trading activities.

Proprietary trading occurs when a company trades stocks, bonds, currencies, or commodities using its own money rather than the money of its clients. Such action carries risk and the possibility of conflicts of interest for the financial institution if its trades affect the pricing of such assets, which might harm its clients.

When Coinbase officials testified before Congress in December, they stated that the company did not participate in proprietary trading.

However, with the price of digital assets expected to fall throughout 2022, bringing Coinbase stock down with it, Coinbase may have moved to trading on its platform to generate new revenue streams.

“From time to time, Coinbase purchases bitcoin as principal, including for company treasury and operational purposes,” the exchange stated. “We do not consider this proprietary trading because the goal is not for Coinbase to profit from short-term rises in the value of the coin being exchanged.”

CRS’s mission is to increase institutional engagement in cryptocurrency by providing services to investors who are new to digital assets, according to Coinbase.