How many patents does Quest Diagnostics Invest Inc have in patentsdb?

Quest Diagnostics Invest Inc is linked to 439 publications as assignee in our database.

What technology areas does Quest Diagnostics Invest Inc patent most?

Top mapped technology areas by patent count: Physics (344); Electricity (202); Chemistry & Metallurgy (191).

In our data, assignee counts were 19 in 2024 and 13 in 2025 (lower year over year).

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

Quest Diagnostics Invest Inc holds 439 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 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
Physics	344
Electricity	202
Chemistry & Metallurgy	191
Cross-Sectional Technologies	135
Human Necessities	20
Operations & Transport	12
Mechanical Engineering	2

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

How many patents does Quest Diagnostics Invest Inc have in patentsdb?: Quest Diagnostics Invest Inc is linked to 439 publications as assignee in our database.
What technology areas does Quest Diagnostics Invest Inc patent most?: Top mapped technology areas by patent count: Physics (344); Electricity (202); Chemistry & Metallurgy (191).
Is Quest Diagnostics Invest Inc's patent activity growing?: In our data, assignee counts were 19 in 2024 and 13 in 2025 (lower year over year).
What are recent patents assigned to Quest Diagnostics Invest Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.