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Graphic showing increased number of US patents containing key proteoglycan words in their title
Compilation of the total number of patents per year filed and logged in the US Patent Public Search database (USPTO) that contain the keywords: “heparin,” “proteoglycan,” or “hyaluronan” within the published document. Data were accumulated from 2010 to 2022 using the following search engine: https://ppubs.uspto.gov/pubwebapp/.
