Meanings of unpatented in English

The engineer took good care-andnot unreasonably-tokeep his secret unpatented.

Work-thatone enjoys-isan invaluable unpatented medicine.

Novartis, unlike many of its rivals, is a major producer of unpatented generic drugs as well as prescription medicines.

Out West, the west of the mesas and the unpatented hills, there is more sky than any place in the world.

It also said that Uber infringed unpatented trade secrets Waymo asserts, such as parameters and measurements for the light beam used in Lidar.

It is surprising that this simple and unpatented method of design has not met with more favor and has scarcely been used, even in tests.