Patent Agent Insurance

Protecting USPTO-registered patent agents and their practices

Patent agents occupy a specialized niche: registered to practice before the United States Patent and Trademark Office, they prepare and prosecute patent applications without being licensed attorneys. The work is unforgiving. A missed filing or response deadline, a claim drafted too narrowly, or prior art overlooked can permanently cost a client the patent protection their invention — and their business — depends on. Those losses look and feel like legal malpractice, and they land on the agent regardless of the attorney/non-attorney distinction. Because the entire practice turns on precise, deadline-driven professional work, errors-and-omissions coverage is the backbone of a patent agent's business. This is a specialized corner of professional services insurance built for how patent agents actually get sued.

Properly structured coverage protects the agent, the practice, and the inventors who rely on it.

The Patent Agent's Signature Exposures

The signature exposure is errors-and-omissions for a prosecution error that costs a client patent rights — a missed USPTO deadline that abandons an application, a claim drafted so narrowly that it fails to protect the invention, or prior art that was not found and later invalidates the patent. These are high-stakes, often irreversible losses measured by the value of the lost protection. The practice also handles highly confidential invention disclosures and trade secrets, which adds a breach exposure, and patent agents must stay within their registered scope — advising on strictly legal matters outside patent prosecution can create its own claim. The lost-patent-rights claim is what defines the exposure.

Key Risks in Patent Agency

Patent agent practices face exposure related to:

A missed USPTO filing or response deadline that abandons an application

Patent claims drafted too narrowly to protect the invention

Prior art not identified that later invalidates a granted patent

Confidential invention disclosures or trade secrets exposed in a breach

Advice given outside the registered scope of patent practice

Errors in assignments, priority claims, or inventorship

Reliance by startups and inventors whose business rests on the patent

The lost-patent-rights claim is the exposure that most defines the practice.

Core Coverages for Patent Agents

A properly built patent agent program typically includes:

Professional Liability / E&O — Covers defense and damages when prosecution work is alleged negligent, late, or to have cost a client patent rights — the core policy, written claims-made.

Cyber Liability — Protects against breach of the confidential invention disclosures and trade secrets the practice holds.

General Liability — Covers premises injuries and personal and advertising injury, commonly bundled into a business-owner's policy.

Commercial Property & Business Income — Cover office contents, equipment, and lost revenue after a covered event.

Workers' Compensation — Provides legally required coverage once the practice has staff.

Employment Practices Liability — Protects against employment claims.

Umbrella / Excess Liability — Adds higher limits above the primary program.

What's Commonly Overlooked

Patent agent programs are most often weakened by:

Errors-and-omissions limits too low for the value of a lost patent

A retroactive date or missing tail that leaves earlier prosecutions uncovered

No cyber coverage for confidential invention disclosures and trade secrets

Policies that don't contemplate the agent's specific USPTO practice

Gaps when the agent drifts into legal advice outside the registered scope

The gap that hurts most is errors-and-omissions limits that don't reflect the value of the patent rights a single error can destroy.

Real-World Claim Examples

A response deadline is missed and the patent application is abandoned

A patent is drafted so narrowly that a competitor designs around it freely

Undiscovered prior art invalidates a granted patent years later

Confidential invention details are exposed before filing

An inventor's business collapses after the expected protection never materializes

Any one of these can produce a claim measured by the full value of the lost invention.

Regulatory & Contract Context

Patent agents are registered with and regulated by the USPTO's Office of Enrollment and Discipline, having passed the patent bar, and their authority is limited to patent prosecution before the office — not litigation, not trademark or copyright practice, and not general legal advice. The USPTO's rules of professional conduct govern the practice, and communications with clients on patent matters carry a recognized privilege. Clients, particularly companies and investors, increasingly expect proof of professional liability coverage, and contracts with firms or corporate clients may require it at set limits.

Why Proper Placement Matters

Underwriters weigh the volume and complexity of prosecution work, the technology areas handled, client concentration, whether the agent also performs searches and opinions, and prior claims. Errors-and-omissions is claims-made, so the retroactive date and tail are decisive — a deadline missed on an application filed years ago can surface as a claim long after the work was done. Placing the program with professional-lines markets that understand intellectual-property practice, and sizing limits to the value of the patents at stake, is what keeps the coverage sound.

Our Approach

At Cory Washington & Co., we insure patent agents around the exposure that defines the practice — a prosecution error that costs a client their patent rights. We size errors-and-omissions to the value of the inventions at stake, add cyber coverage for confidential disclosures, and keep the claims-made structure and tail intact as the practice grows. We also insure related practices, including law firms, research and development consultants, and the broader professional services category.

A patent is only as strong as the work behind it — we build coverage to defend that work.

All insurance descriptions on this website are provided by Cory Washington & Co. LLC strictly for general informational purposes. They are not intended to be, and should not be relied upon as, legal, financial, or insurance advice. The information presented is general in nature and does not guarantee the availability, terms, conditions, or scope of any insurance coverage. Actual coverage is determined solely by the specific policy language issued by the insurer and remains subject to underwriting approval. Nothing on this website creates or implies an agent-client relationship, binds coverage, or alters any existing policy. Cory Washington & Co. LLC expressly disclaims any liability for actions taken, or not taken, based on the content provided here. For advice regarding your particular situation, please consult directly with a licensed insurance professional at Cory Washington & Co. LLC or another qualified insurance professional, and always review your policy documents in full.

Frequently Asked Questions

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