How many patents does Univ Leiden have in patentsdb?

Univ Leiden is linked to 98 publications as assignee in our database.

What technology areas does Univ Leiden patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (56); Physics (42); Human Necessities (35).

In our data, assignee counts were 6 in 2024 and 6 in 2025 (similar year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Univ Leiden holds 98 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is growing.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	56
Physics	42
Human Necessities	35
Operations & Transport	31
Cross-Sectional Technologies	15
Electricity	11
Mechanical Engineering	3

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

How many patents does Univ Leiden have in patentsdb?: Univ Leiden is linked to 98 publications as assignee in our database.
What technology areas does Univ Leiden patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (56); Physics (42); Human Necessities (35).
Is Univ Leiden's patent activity growing?: In our data, assignee counts were 6 in 2024 and 6 in 2025 (similar year over year).
What are recent patents assigned to Univ Leiden?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.