How many patents does Merrimack Pharmaceuticals Inc have in patentsdb?

Merrimack Pharmaceuticals Inc is linked to 143 publications as assignee in our database.

What technology areas does Merrimack Pharmaceuticals Inc patent most?

Top mapped technology areas by patent count: Human Necessities (140); Chemistry & Metallurgy (117); Physics (29).

In our data, assignee counts were 1 in 2022 and 1 in 2025 (similar year over year).

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

Merrimack Pharmaceuticals Inc holds 143 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Human Necessities	140
Chemistry & Metallurgy	117
Physics	29
Cross-Sectional Technologies	15
Operations & Transport	6

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

How many patents does Merrimack Pharmaceuticals Inc have in patentsdb?: Merrimack Pharmaceuticals Inc is linked to 143 publications as assignee in our database.
What technology areas does Merrimack Pharmaceuticals Inc patent most?: Top mapped technology areas by patent count: Human Necessities (140); Chemistry & Metallurgy (117); Physics (29).
Is Merrimack Pharmaceuticals Inc's patent activity growing?: In our data, assignee counts were 1 in 2022 and 1 in 2025 (similar year over year).
What are recent patents assigned to Merrimack Pharmaceuticals Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.