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USPTO Patent Rankings Data through Dec 31, 2025
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David VALADE — 5 Patents

PPPolyactiva Pty: 4 patents #8 of 15Top 55%
Melbourne, AU: #552 of 4,989 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David VALADE has been granted 5 US patents while listed as an inventor at Polyactiva Pty. The first was granted in 2020 and the most recent in December 2025. David VALADE ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David VALADE in Melbourne, AU.

Patents per Year

Patents granted per year, 2020 to 2023Bar chart with a peak of 2 patents in 2023.peak 22020: 1 patents20202021: 1 patents20212023: 2 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12503553 Biodegradable drug-polymer conjugate Stephen Lonsdale BIRKETT, Andrew Craig Donohue, Asha Marina D'Souza, Sarah Man Yee Ng, Adrian Sulistio +4 more 2025-12-23
11787906 Biodegradable drug-polymer conjugate Stephen Lonsdale BIRKETT, Andrew Craig Donohue, Asha Marina D'Souza, Sarah Man Yee Ng, Adrian Sulistio +4 more 2023-10-17
11696955 Drug-polymer conjugate Stephen Lonsdale BIRKETT, Andrew Craig Donohue, Asha Marina D'Souza, Sarah Man Yee Ng, Adrian Sulistio +3 more 2023-07-11
11207417 Drug-polymer conjugate Stephen Lonsdale BIRKETT, Andrew Craig Donohue, Asha Marina D'Souza, Sarah Man Yee Ng, Adrian Sulistio +3 more 2021-12-28
10758626 Polymer conjugate comprising a bioactive agent Stephen Lonsdale BIRKETT, Andrew Craig Donohue, Asha Marina D'Souza, Sarah Man Yee Ng, Adrian Sulistio +3 more 2020-09-01

Frequent Collaborators

Stephen Lonsdale BIRKETT5 shared
Alan Naylor5 shared
Adrian Sulistio5 shared
Russell John Tait5 shared
Sarah Man Yee Ng5 shared
Andrew Craig Donohue5 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5