Examples of “proprietary” in a Sentence

adj Owned exclusively by a company or individual, often protected by patent, trademark, or trade secret.

• The software uses a proprietary file format that competitors can't open.
• The recipe is a closely guarded proprietary secret.
• Only the company's own engineers may use this proprietary design, which is protected by law.

adj Showing a sense of ownership or possessiveness over something.

• He grew proprietary about the project after leading it for so long.
• She felt proprietary about the kitchen and disliked anyone else moving her pans.
• The old gardener gave the roses a proprietary glance, as if they were his own.