Purdue Research Foundation patents

Purdue Research Foundation holds 4,244 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents4,244
Recent patents1,269
First publicationJan 1, 2015
Latest publicationApr 2, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
2015230
2016278
2017265
2018328
2019390
2020453
2021435
2022444
2023431
2024497
2025400
202693
Browse patents by year
YearPatents
2015230
2016278
2017265
2018328
2019390
2020453
2021435
2022444
2023431
2024497
2025400
202693

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
A61P35/00226
A61K49/0052115
H01J49/0031102
H01J49/165100
A61K45/0687

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Purdue Research Foundation have in patentsdb?
Purdue Research Foundation is linked to 4,244 publications as assignee in our database.
What technology areas does Purdue Research Foundation patent most?
Top mapped technology areas by patent count: Physics (1,741); Chemistry & Metallurgy (1,536); Human Necessities (1,258).
Is Purdue Research Foundation's patent activity growing?
In our data, assignee counts were 497 in 2024 and 400 in 2025 (lower year over year).
What are recent patents assigned to Purdue Research Foundation?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.