How many patents does Donnelley & Sons Co have in patentsdb?

Donnelley & Sons Co is linked to 160 publications as assignee in our database.

What technology areas does Donnelley & Sons Co patent most?

Top mapped technology areas by patent count: Operations & Transport (95); Physics (81); Electricity (26).

In our data, assignee counts were 3 in 2023 and 1 in 2025 (lower year over year).

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

Donnelley & Sons Co holds 160 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 rapidly declining.

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
Operations & Transport	95
Physics	81
Electricity	26
Cross-Sectional Technologies	23
Chemistry & Metallurgy	19
Human Necessities	6

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

How many patents does Donnelley & Sons Co have in patentsdb?: Donnelley & Sons Co is linked to 160 publications as assignee in our database.
What technology areas does Donnelley & Sons Co patent most?: Top mapped technology areas by patent count: Operations & Transport (95); Physics (81); Electricity (26).
Is Donnelley & Sons Co's patent activity growing?: In our data, assignee counts were 3 in 2023 and 1 in 2025 (lower year over year).
What are recent patents assigned to Donnelley & Sons Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.