It says: "Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software
without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: [include this notice, no liability]"
Without restrictions or limitations. As far as I know, it has not been tested in court, but I think it would be suicide among the developer community for a company to try to do that.
Everyone should have patent concerns either way. The ideal solution would be to abolish software patents.
