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Headwater sued multiple wireless carriers asserting a five-patent set including the '464 patent; the case was dismissed without prejudice by joint stipulation under Rule 41(a)(1)(A)(ii), each party bearing its own costs.

Headwater's February 2025 suit against AT&T entities asserted the same five-patent set including the '464 patent; it was dismissed without prejudice by joint stipulation under Rule 41(a)(1)(A)(ii).