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Patent holdout costs cellular SEP licensors up to $28 billion, according to study

By Nick Robertson ( August 19, 2025, 19:43 GMT | Insight) -- Refusal by standard implementers to reach licensing agreements with the SEP owners is more than a theoretical problem and costs the cellular industry tens of billions of dollars per year. The author of a recent academic paper on the issue told MLex the practice — dubbed “patent holdout”  — is a larger financial burden than previously thought.Standard-essential patent (SEP) owners are losing billions of dollars per year to infringers who delay or refuse to license their technologies via “patent holdout,” according to a new academic paper. ...

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