"proprietary property" is correct and usable in written English.
You can use it to refer to something that is or can be owned by one particular person or business. For example: "The copyright of the book is the company's proprietary property, so no one else can reproduce it without permission."
The code, which was publicly available here but now seems to be locked, is considered Flash Network's proprietary property.
In my former companies, we were fanatical about protecting our intellectual proprietary property.
Another break with tradition: Jazz is exciting young people, bringing the music back to smaller venues, and it is not the proprietary property of New York City or New Orleans.
Additional information about the dataset and analyses are available upon request, but the data files are the proprietary property of Eli Lilly and Company.
The Challenge of Self-Realization Self-Hypnosis and Subliminal Technology: A How-to Guide for Personal-Empowerment Tools You Can Use Anywhere I Believe: When What You Believe Matters INVENTOR Dr. Taylor has developed several proprietary properties and holds certain patent rights as well as numerous copyrights.
PCR primers used for Illumina sequencing are proprietary properties of Illumina, Inc. (San Diego, CA, USA) and Canada's Michael Smith Genome Sciences Centre (MSGSC; Vancouver, British Columbia, Canada).
There is an enormous demand for all-you-can-eat subscription services for proprietary intellectual property.
Proprietary Design Property of Kearns Engineers," and two friends installed the box in the Galaxie.
He also confirmed the breach, saying: "Law enforcement will investigate the illegal taking of proprietary company property".
Neither Microsoft nor the companies it is buying want to expose each other's proprietary intellectual property prematurely, including copyrights and trade secrets.
If I attribute the reporting of others and manage to steer clear of proprietary intellectual property while making a cogent argument, then I can live to write another day.
