Patent title search for lenders before you take patents as collateral
A patent title search for a lender answers three questions before funding: does the borrower own the patent, is anything already recorded against it, and will the record still look the same at closing. Search the USPTO assignment records for the chain of title and every security interest, add a UCC search in the borrower's state of organization, and repeat the check on the closing date. Assignee automates the first part and returns the owner of record, the chain and unreleased liens in one report.
5 min read
Why a patent title search is not a real estate title search
Searches for real estate sit with title companies and a county recorder. Patents have no equivalent single deed office. Transfers are recorded voluntarily with the USPTO, and nothing forces an owner to record. A borrower can hold a patent under a name it used before a merger, or in a subsidiary that no longer exists, and the record will still look fine at a glance.
That makes the search a reconciliation job. You compare what the borrower says it owns with what the public record shows, patent by patent, and you list every difference. A credit committee wants those differences in writing before it approves a collateral package.
The lender's patent title search checklist
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1
Get a schedule of the patents and applications offered as collateral, with numbers, titles and the legal name of the stated owner.
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2
Pull the recorded assignments for each one and order them by date.
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3
Confirm the last recorded owner is the borrower. If not, find the missing transfer, merger or name change.
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4
Confirm each named inventor assigned rights to the original applicant. A missing inventor assignment is a gap even when later transfers look clean.
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5
List every recorded security agreement and match it to a release. An unreleased agreement may belong to a loan that was repaid years ago, but you need the release document to treat it that way.
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6
Search UCC filings in the debtor's state of organization for blanket liens that cover general intangibles.
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7
Check for license agreements and other encumbrances that were recorded, and ask the borrower about those that were not.
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8
Repeat steps 2 to 5 on the closing date and again after your own security agreement is recorded.
A patent lien search covers steps 5 and 6 in more depth.
Problems the search turns up
The borrower is not the owner of record. The patent sits in the founder's name, in a prior company, or in a parent that is not a party to the loan. A security interest granted by someone who does not hold title gives you very little.
A prior lien was never released. A line of credit closed, the lender stopped caring, and nobody filed the release. The fix is a release from the old lender, which takes time, so find it early.
The chain has a hole. An assignor never appears as an assignee, usually because a prior sale was never recorded. Counsel needs the executed instrument.
The record changes after your search. An assignment filed the week before closing can move title or add a lien. This is why a single search at the start of underwriting is not enough.
Counsel who handle perfection questions often start from case law. A tool that lets you research case law on perfecting security interests in patents helps frame what to ask for, though the search itself stays a records exercise.
Ways to run the search
| Option | Cost | Strength | Weakness |
|---|---|---|---|
| Lender staff using the USPTO Assignment Center | No fee for official searches, staff time | Source documents, no vendor | Chain assembled by hand, slow for large schedules |
| Certified abstract of title | $38 per patent in USPTO fees | Certified record for the file | Lists documents, does not analyze them |
| IP search firm or law firm | Individually quoted | Attorney judgment, UCC work included | Cost and turnaround for each rerun |
| Assignee | From $49 per month billed yearly, 25 reports | Owner of record, ordered chain, lien and release flags, easy to rerun | Not a legal opinion, and UCC searches are separate |
Most lenders combine two: software for the first pass and every rerun, counsel for the opinion on anything flagged. The cost breakdown gives the numbers behind each option.
Building a repeatable pre-closing check
Run the full schedule through Assignee during underwriting and send the exceptions to the borrower with a request for documents. Pay attention to the flagged items, not the clean ones. After the borrower responds, rerun the schedule and record the changes. On closing day, rerun again and attach the report to the closing file. After you record your own security agreement, check that it appears against each patent.
For a larger book, the Professional plan adds title risk flags and release tracking, and Firm adds owner lists by corporate family and API access. Monitoring can alert you when a new document is recorded against collateral after closing.
Questions lenders ask about patent title searches
How do I do a title search on a patent?
Pull the recorded assignments for the patent from the USPTO assignment records, order them by date, and follow each transfer from the inventors to the latest owner. Then list every security agreement and match it to a release. Assignee builds this chain automatically from the same records.
Can a bank take a patent as collateral?
Yes, lenders take security interests in patents. Perfection generally runs through a UCC filing against the debtor, and lenders also record the security agreement with the USPTO to give notice. Have counsel confirm the steps for your jurisdiction and deal.
How long does a patent title search take?
A single patent takes minutes with a report tool and longer by hand. The review of flagged items takes the most time, especially when a missing release must be obtained from an earlier lender.
What does a patent title search cost?
The USPTO charges $38 per patent for a certified abstract of title. Law firms quote individually. Assignee plans start at $49 per month billed yearly and include 25 reports.
Does a clean USPTO record prove the borrower owns the patent?
No. It shows what was recorded. Unrecorded assignments and agreements outside the record can change ownership, so lenders pair the search with borrower representations and counsel review.