>>> Clause 11 prohibits GNOME or its affiliates from pursuing any further invalidity challenges to any Rothschild patents leaving Rothschild free to pursue any

>>> Clause 11 prohibits GNOME or its affiliates from pursuing any further invalidity challenges to any Rothschild patents leaving Rothschild free to pursue any non open source targets. Is that valid in US law? For the the places I am aware of, it's not possible to give up rights to defend in court when one has been wronged. Otherwise that would allow a party to subdue others and ignore the law entirely.