# 52.227-4 Patent Indemnity—Construction Contracts.
Type: Clause
Prescribed in: 27.201-2(d)
Current version date: DEC 2007

## Prescription and Applicability

### FAR Prescription, 27.201-2(d)

(d)
(1) Insert the clause at 52.227-4, Patent Indemnity-Construction Contracts, in solicitations and contracts for construction or that are fixed-price for dismantling, demolition, or removal of improvements. Do not insert the clause in contracts solely for architect-engineer services.

(2) If the contracting officer determines that the construction will necessarily involve the use of structures, products, materials, equipment, processes, or methods that are nonstandard, noncommercial, or special, the contracting officer may expressly exclude them from the patent indemnification by using the clause with its Alternate I. Note that this exclusion is for items, as distinguished from identified patents (see paragraph

## Current Text

52.227-4 Patent Indemnity—Construction Contracts.

As prescribed in 27.201-2(d)(1), insert the following clause:

Patent Indemnity—Construction Contracts (DEC 2007)

Except as otherwise provided, the Contractor shall indemnify the Government and its officers, agents, and employees against liability, including costs and expenses, for infringement of any United States patent (except a patent issued upon an application that is now or may hereafter be withheld from issue pursuant to a Secrecy Order under 35 U.S.C. 181) arising out of performing this contract or out of the use or disposal by or for the account of the Government of supplies furnished or work performed under this contract.

(End of clause)

Alternate I (DEC 2007). As prescribed in 27.201-2(d)(2), designate the first paragraph of the basic clause as paragraph (a) and add the following paragraph (b) to the basic clause:

(b) This patent indemnification shall not apply to the following items:

_______________

[ Contracting Officer list the items to be excluded. ]

[72 FR 63065, Nov. 7, 2007]

## Suggested Questions

You can ask your AI assistant:
- Should I include this provision in my solicitation?
- Does this clause apply to commercial acquisitions?
- Does this clause apply to R&D contracts under Part 35?
- Which alternate should I use for a multiple-award contract?
- Are there any active Class Deviations that modify this clause?
- What changed in the most recent amendment?

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Source: https://part52.dev
Generated: 2026-04-21 17:40 UTC
Reference: https://www.ecfr.gov/current/title-48/section-52.227-4