Assignee

Patent assignment search for law firms and IP counsel

A patent assignment search for a law firm has to produce something you can put in a client file: the owner of record, every recorded transfer in order, the security interests and whether each was released. Assignee builds that from USPTO assignment records for one patent or a whole client portfolio. You spend your hours on the gaps and the legal judgment, not on pulling documents one reel and frame at a time.

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What your team gets for each patent

  • Current owner of record, with recording date and reel and frame
  • Every earlier owner in date order, including mergers and changes of name
  • Security interests matched to their releases
  • Title risk flags where an assignor never appears as an assignee
  • Links to every recorded document, so an associate can open the source in one click
  • PDF and CSV exports, plus Excel with reel and frame on the Firm plan

Each line points back to a recorded document. The report is evidence for your analysis. It is not a legal opinion, and it does not replace your review of the executed instruments.

Matters where assignment searches come up

Transactional teams run them before a patent purchase, a license or a financing, because the representation in the agreement is only as good as the chain behind it. Litigators run them before filing or answering a complaint, since standing depends on who held title on the date of suit. Prosecution groups run them after a client merges or changes its name, to confirm the record follows the corporation. Docketing and portfolio teams run them in bulk to find patents still recorded in a former entity.

For a deal-sized list, the patent portfolio audit compares the record against the seller's schedule. For a single high-value patent, the patent chain of title report is the right deliverable.

How a firm runs a patent assignment search with Assignee

  1. 1

    Enter a patent or application number, or paste the client's list. On Firm, search by owner and corporate family.

  2. 2

    Assignee reads the recorded assignments and connects conveyances, inventor assignments, name changes and mergers into one ordered chain.

  3. 3

    Review the title risk flags and open security interests. Pull the underlying documents where the record does not connect.

  4. 4

    Export the report to the matter file and send counsel the exceptions that need a legal answer.

Repeat the search before closing, because a new recordation can land between signing and funding. Patent monitoring alerts you when the record changes.

Manual searching or a report built for you

Task Associate searching the USPTO site Certified abstract of title Assignee
Cost model Billable hours, often written down $38 per patent in USPTO fees Subscription with a monthly report allowance
Ordered chain of title Built by hand from the results Certified list of recorded documents Built automatically, with the source records
Liens matched to releases Compared by hand Not analyzed Flagged on Professional and above
200 patents Days of repeated searching Order per patent One list, one export
Legal conclusion Yes, from your attorney No No

The official USPTO assignment search shows recorded documents at no charge and stays useful for opening a source filing. Use a certified abstract when a court or counterparty wants certification. Assignee fits the work in between, where you need the chain assembled fast and consistently.

Built for the people who sign off on title

IP boutiques and the IP groups of larger firms use it for diligence checklists and client portfolio reviews. Litigation teams use it to confirm standing before they draft a complaint. In-house counsel who instruct outside firms use it to check the chain before the engagement starts, so the firm's time goes to the real problems. Teams with long lists use bulk patent assignment lookup. Paralegals and docketing staff use the CSV export to reconcile the firm's records with the USPTO.

Plans for law firm patent assignment searches

Analyst costs $49 per month billed yearly, or $99 monthly, with 25 reports. Professional costs $124 per month billed yearly, or $249 monthly, with 150 reports, title risk flags and security interest release tracking. Firm costs $299 per month billed yearly, or $599 monthly, with 600 reports, owner lists by corporate family, Excel export and API access. Enterprise starts at $1,499 per month for unlimited reports and seats. See every plan on the pricing page.

Questions about patent assignment search for law firms

How do I search patent assignments?

Look up the patent or application number in the USPTO assignment records and read the recorded documents in date order. Then match each transfer to the next owner and check security interests for releases. Assignee does these steps in one report and links every line to the recorded document.

Can a law firm rely on the USPTO assignment database for title?

Use it as evidence, not as proof of title. The database reflects recorded documents, and an unrecorded assignment can still change who owns the patent. Your attorney should read the executed agreements, then confirm the record matches them before giving any title advice.

Does Assignee give a legal opinion on ownership?

No. Assignee assembles the recorded ownership history and flags gaps and liens. Counsel decides what the record means and whether the facts outside it change the answer.

Can I search assignments for a whole client portfolio at once?

Yes. Upload or paste a patent list and run every chain in one pass. Plans include 25, 150 or 600 reports per month, and Enterprise has unlimited reports. Firm adds owner lists by corporate family for clients with many subsidiaries.

What does a patent assignment search cost?

The USPTO charges $38 per patent for a certified abstract of title, and its online search is free to use. Associate time is the larger cost on a manual search. Assignee plans start at $49 per month billed yearly. The cost breakdown compares the options.

Can I export the results into the client file?

Yes. Every plan exports PDF and CSV. Firm adds Excel with reel and frame references, and API access for firms that feed results into their own systems.

Put a documented chain in the client file

Search a patent from your current matter, check the chain against the source records and choose the plan that covers your caseload.

Trace ownership