Is a Patent an Asset? Valuation, Tax, and Balance Sheet Treatment

Yes. A patent is an asset. Federal patent law gives patents “the attributes of personal property,” meaning they can be sold, licensed, pledged as collateral, and inherited like other property a business owns.¹²³

A pending application also carries asset value. A provisional filing establishes an early filing date, supports the “Patent Pending” designation, and can itself be assigned to another party in writing.⁴

How a Patent Appears on the Balance Sheet

Businesses record patents as long-term intangible assets. A patent acquired from someone else goes on the books at its purchase price. A patent developed in-house is generally capitalized at the cost of legal fees, registration expenses, and related development costs. From there, the recorded cost is spread across the patent’s useful life through amortization.

Under generally accepted accounting principles, the amortization period is the estimated useful life, which can be shorter than the legal term. A patent with 15 years of legal life left might be amortized over five years if the underlying technology is expected to be obsolete by then. The method should track the pattern in which the economic benefits are consumed; when that pattern cannot be reliably determined, straight-line amortization is used.

The carrying value is not fixed. If something suggests the patent has lost value—a competitor’s superior technology, a court narrowing the claims, a drop in demand—the company tests whether fair value has fallen below the carrying amount. If it has, the asset is written down and the loss hits the income statement.

How a Patent Is Valued

Turning legal rights into a dollar figure usually follows one of three approaches, chosen based on why the valuation is being done.

The cost approach tallies what it would take to recreate the invention: R&D spending, USPTO fees, and related costs. It fits newer patents but can understate value when revenue far exceeds development cost.
The income approach projects the future cash flows the patent is expected to produce through sales, royalties, or cost savings, then discounts them to present value. It is the most widely used method for revenue-generating patents.
The market approach compares the patent to similar ones recently sold in arm’s-length transactions, using patent auction data and licensing databases as benchmarks. Direct comparisons can be hard to find because every invention is unique.

When a valuation supports a financial statement, tax filing, or litigation claim, appraisers typically follow the Uniform Standards of Professional Appraisal Practice, which include specific standards for intangible-asset appraisals.

Tax Treatment of a Patent

The tax rules split by how the patent came to you and what you do with it.

Acquired Patents

A patent purchased as part of a business acquisition is generally a “Section 197 intangible.” It must be amortized on a straight-line basis over 15 years, regardless of how much legal life the patent has left.⁵⁶ A patent with eight years of legal life remaining is still amortized over 15 for tax purposes.

Internally Developed Patents

Section 174 changed for tax years beginning in 2022. Research and experimental costs can no longer be deducted in the year incurred. Domestic research costs are capitalized and amortized over five years; foreign research costs, over 15 years.⁷ The result is higher taxable income during the development years than under the prior immediate-expensing rule.

Selling a Patent

An individual inventor who transfers all substantial rights to a patent gets long-term capital gains treatment on the proceeds under Section 1235, no matter how long the patent was held.⁸ That treatment survives even when the payments are spread over time or tied to the patent’s productivity. The catch: the transfer must include all substantial rights. If the seller keeps geographic restrictions, limits the grant to certain fields of use, or retains rights for part of the remaining life, the deal falls outside Section 1235.⁹

Royalty Income

Royalties received under a license, with ownership retained, are generally taxed as ordinary income. Self-employed inventors report the income on Schedule C; other owners typically use Schedule E.¹⁰

Turning the Asset Into Cash

The property status of a patent gives an owner three main ways to realize its value.

Assignment. An outright sale transfers all ownership to another party for a lump sum or structured payments. Federal law requires the assignment to be in writing. Record it with the USPTO within three months of the transaction. If recording is delayed and someone else later buys the same rights without notice of the earlier deal, the first assignment can be voided against that later buyer.¹

Licensing. The owner keeps title and grants permission to use the invention, usually for ongoing royalties. Licenses can be exclusive or nonexclusive and can be limited by geography, field of use, or duration. This generates recurring income while the underlying asset stays on the books.

Collateral. A patent can be pledged to secure a business loan. The lender perfects its security interest by filing a UCC-1 financing statement under Article 9 of the Uniform Commercial Code.¹¹ Lenders commonly also record a security agreement at the USPTO to protect against subsequent purchasers, though that recording is not strictly required for perfection. On default, the lender can seize and sell the patent.

Keeping the Asset Alive

A utility patent is only an asset for as long as the maintenance fees are paid. The USPTO requires three payments after issuance, due at 3.5, 7.5, and 11.5 years. Miss all the windows and the patent expires early, wiping out its value.¹²

Each fee can be paid without a surcharge during the six-month window ending at the deadline. A six-month grace period follows during which payment plus a surcharge is still accepted. If nothing is paid by the end of the fourth, eighth, or twelfth year, the patent expires and the USPTO issues a Notice of Patent Expiration.¹²

Fee amounts scale with entity size, with small and micro entities paying reduced rates. As of 2026, the large-entity fees are $2,150 at 3.5 years, $4,040 at 7.5 years, and $8,280 at 11.5 years, with small-entity fees at 40% and micro-entity fees at 20% of those amounts.¹²

Reinstatement after expiration is possible but not guaranteed. It takes a petition, payment of the overdue fee plus a petition fee, and a statement that the delay was unintentional. Petitions filed more than two years after expiration face added scrutiny and must show the entire delay was genuinely unintentional.¹²

Design patents work differently: the 15-year term runs from issuance without maintenance fees.³ Once a utility patent lapses, though, the invention enters the public domain and the exclusionary right that made it valuable is gone.

1
Office of the Law Revision Counsel. 35 USC 261 – Ownership; Assignment
2
Office of the Law Revision Counsel. 35 USC 154 – Contents and Term of Patent; Provisional Rights
3
Office of the Law Revision Counsel. 35 U.S. Code 173 – Term of Design Patent
4
USPTO. Provisional Application for Patent
5
Office of the Law Revision Counsel. 26 USC 197 – Amortization of Goodwill and Certain Other Intangibles
6
Internal Revenue Service. Intangibles
7
Office of the Law Revision Counsel. 26 U.S. Code 174 – Amortization of Research and Experimental Expenditures
8
Office of the Law Revision Counsel. 26 USC 1235 – Sale or Exchange of Patents
9
Internal Revenue Service. Publication 544 – Sales and Other Dispositions of Assets
10
Internal Revenue Service. What Is Taxable and Nontaxable Income
11
Cornell Law School. U.C.C. Article 9 – Secured Transactions
12
USPTO. Maintain Your Patent