By Patrick Fitzgerald 

Highland Capital Management is suing Credit Suisse Group AG for more than $500 million, the hedge fund firm's latest salvo in efforts to recoup some losses from the Swiss bank's ill-fated loan program to developers of luxury properties in the U.S.

In a lawsuit filed Friday in state court in Dallas, Highland's lawyers accused Credit Suisse of using their settlement talks, which took place over a period of years, as "a way to keep a lid on its bad behavior" while the statute of limitations ran out on other investors' claims totaling billions of dollars.

Credit Suisse spokesman Drew Benson dismissed the lawsuit as an attempt by Highland to revive its legal claims in Texas after a judge in New York rejected them.

"This is a frivolous attempt to revive failed arguments that were already rejected by a New York court," said Mr. Benson.

Credit Suisse previously has denied wrongdoing in connection with the loan program. The bank also maintains that any verdict in favor of Highland will be set aside or offset by other credits and that the bank will ultimately not have to pay any damages to Highland.

Highland funds lost millions of dollars on investments in loans arranged by Credit Suisse for large planned communities such as Nevada's Lake Las Vegas and ski communities like Montana's Yellowstone Club and Idaho's Tamarack Resort before the real estate bubble burst.

The Dallas-based firm and the bank have been sparring over who is to blame for losses on the loans.

At issue in the latest suit is an agreement between Highland and Credit Suisse to stop the clock on the statute of limitations while the two were in talks to settle their dueling legal claims. During those talks, Highland now claims, Credit Suisse's lawyers offered to settle Highland's legal claim, totaling more than $600 million, against the bank for at least $70 million.

The settlement talks eventually fell apart, and both sides sued in 2013. Highland said in the lawsuit that Credit Suisse only cut off settlement talks after the statute of limitations for other investors to sue the bank had passed.

"In short, during the nearly three years that Credit Suisse held [Highland's] claims in abeyance, they simultaneously were able to conceal their potential culpability from other investors until their claims were time-barred," according to the lawsuit. "Those potential claims totaled in the billions of dollars."

The dispute between Credit Suisse and Highland, dates back to the early part of the last decade, when resort communities catering to the wealthy sprouted across the West. Credit Suisse marketed loans to about a dozen of the projects' owners, who could pocket a chunk of the proceeds as a dividend or a loan.

The bank would then arrange financing for the loans from nonbank sources like private-equity firms, hedge funds like Highland and debt-fund managers. In return, the lenders would get exposure to a market for high-end real estate. The bank served as the middleman, collecting tens of millions of dollars in fees from the transactions.

Eventually, all the properties collapsed into bankruptcy or were forced to restructure, resulting in hundreds of millions of dollars in losses for investors. Credit Suisse ended up buying many of the properties at discounted rates after they collapsed.

Highland last year won a $40 million award against Credit Suisse and property appraisers over inflated appraisals used for the development projects. The firm is also seeking another $340 million in connection with the Texas jury's finding that Credit Suisse committed fraud in connection with appraisals for loans tied to Lake Las Vegas. That trial is slated to start Wednesday in Dallas.

Credit Suisse won a $77 million judgment against Highland for failing to close a pair of 2008 trades tied to loans Credit Suisse had arranged for property developers. This year, a New York judge tossed most of Highland's breach-of-contract claims against Credit Suisse tied to the loans. The hedge fund's suit against the bank for claims occurring after July 25, 2006, is pending.

Write to Patrick Fitzgerald at patrick.fitzgerald@wsj.com

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