A court considering a co-ownership claim of a past employer on a new invention of a past employee will refer to employment agreement language as well as whether or not the past employer’s claim to contribution was publically available when an application to cover the new invention is filed.
Results for Infringement
In determining design patent and copyright infringement, the ornamental features and functionality of the claimed design must be distinct from the prior art and must be viewed independently of one another.
Separate patentability of allegedly infringing equivalent of an invention of a patent in suit does not require patentee to prove infringement under doctrine of equivalents by clear and convincing evidence, but rather by a preponderance of evidence.
Federal district court erred in construing patent for softball bat without supplying any information about accused infringing devices, since, without description of accused bats, reviewing court lacks full context of infringement action and claim construction component of infringement, and without that additional context, reviewing court cannot fully and confidently review infringement judgment, including its claim construction component; although accused product or process may not be used as form of extrinsic evidence to supply limitations for patent claim language, that rule of claim construction does not forbid awareness of accused product or process to supply parameters and scope of infringement analysis, including its claim construction component.
The doctrine of equivalents does not apply when an accused device contains the antithesis of the claims, and the doctrine does not apply when the subject matter was either foreseeable or deliberately excluded. No infringement was found under the doctrine of equivalents because the term “predetermined” was found to be limiting.
To defeat a motion for a preliminary injunction on the issue of potential invalidity in an infringement action, the accused infringing party must present evidence sufficient to raise a substantial question of invalidity. Regarding a design patent, such evidence includes evidence of the overall functionality of the design.
Furthermore, in order to consider the availability of alternative designs as a factor that proves the validity of a design patent, an affirmative finding that the alternative designs will not affect the utility of the article must be explicitly made if the accused infringing party has presented evidence to the contrary.