Common use of Solely-Owned Technology Clause in Contracts

Solely-Owned Technology. As between the Parties, ImmunoGen shall be the sole owner of (i) the Licensed Patent Rights and the Licensed Technology, (ii) all ImmunoGen Program Technology, and (iii) all ImmunoGen Improvements. As between the Parties, and subject to Section 7.3(b), Bayer shall be the sole owner of (A) all Bayer Background Technology, (B) all Bayer Program Technology and (C) all Bayer Improvements. The Party solely owning any Technology or Improvements hereunder shall be the sole owner of all Patent Rights with respect thereto. All determinations of inventive contribution shall be as determined by United States laws of inventorship. The Party solely owning an invention hereunder will be solely responsible, at its own cost and expense and in its sole discretion, for the filing, prosecution and maintenance of any Patent Rights with respect thereto.