Patent Validity Opinion

SKU: PT-12

A written opinion on the likely validity of an issued patent based on prior-art search and §102/§103 analysis.

$5,000.00

Quantity

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Engagement type: Tiered Fee

Attorney fee: $5,000–$12,000
$5,000 – $12,000 (final fee set by complexity)
USPTO / USCO / WIPO fees billed separately at cost.

Best for
A written opinion on the likely validity of an issued patent based on prior-art search and §102/§103 analysis.

What’s included

Prior-art search aimed at validity (patents and selected non-patent literature).
Claim-by-claim analysis under §102 and §103, with discussion of §112 issues where relevant.
Written opinion with cited references and reasoned conclusions.

What’s NOT included

Government, third-party, foreign-associate, translation, courier, and vendor fees.
Continued prosecution, additional office actions, or post-allowance work beyond what is expressly itemized.
Litigation, contested proceedings (IPR/PGR/PTAB, oppositions, cancellations), or appeal work.
Work on additional applications, jurisdictions, classes, or marks not listed in the engagement letter.
IPR/PGR petition drafting (see IPR/PTAB Support).
Litigation services.

Client responsibilities

Assumptions

Standard complexity for the service category.
One primary applicant or business entity; one primary jurisdiction unless otherwise stated.
One round of substantive client revisions included.
No material adverse facts (e.g., prior public disclosure, intervening prior art) discovered after engagement.

Scope-change triggers

Material change in scope, claims, embodiments, classes, marks, or jurisdictions.
Adversarial action by a third party (opposition, cancellation, declaratory action).
Expedited / emergency turnaround required to meet a statutory or self-imposed deadline.
After-discovered prior art, prior use, or undisclosed prior filings.

Deliverables
Written validity opinion.

Typical timing
Typically 6–10 weeks depending on tier.

A streamlined provisional offering listed on the firm's website at a promotional rate.

Sophisticated inventors who will supply a substantially complete written disclosure and want attorney review and filing.

Reviewing the IP position around a specific biomarker, panel, or signature before clinical, commercial, or licensing decisions.

Patentability work in molecular biology, diagnostics, therapeutics, and related life-science areas, where literature volume drives effort.

Decisions about whether and how to file continuations, continuation-in-part, or divisional applications to extend or refine claim coverage.

Streamlined design patent filings for single-design products.

You filed. That does not mean you are covered.