Patent Terms Glossary

Common Law Rights

Definition:
Property or other legal rights that do not absolutely require formal registration in order to enforce them. Proving such rights for a trademark in court can be very difficult.

Precautionary Designation

Definition:
Designation of a Contracting State in an international application filed under the Patent Cooperation Treaty which must be confirmed prior to 15 months from the priority date.

Descriptive Mark

Definition:
A mark is considered merely descriptive if it describes an ingredient, quality, characteristic, function, feature, purpose or use of the specified goods or services.

Affidavit

Definition:
A signed statement putting appropriate facts or opinions on record.

C3

Definition:
Phase III (IDdb). Large-scale trials in patients

Assignor

Definition:
The owner of record of a patent application, patent, trademark application or trademark registration who is transferring ownership to another entity (assignee)

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