1. Federal Court or IPR Requires an Early Forum Decision
A medical device patent infringement lawsuit can put infringement, defenses, and remedies before a federal district court. IPR is narrower: it tests patentability before the Patent Trial and Appeal Board on limited statutory grounds.
Compare What Each Forum Can Decide
| Forum | Primary Focus |
|---|---|
| Federal District Court | Infringement, validity defenses, damages, and equitable relief |
| Inter Partes Review | §§ 102 and 103 challenges based on patents or printed publications |
Federal District Court
- Primary FocusInfringement, validity defenses, damages, and equitable relief
Inter Partes Review
- Primary Focus§§ 102 and 103 challenges based on patents or printed publications
Broader disputes may also involve intellectual property litigation.
Account for IPR Estoppel
- Map prior-art grounds before filing an IPR petition.
- A final written decision can trigger estoppel for grounds it raised or reasonably could have raised during the IPR.
- Coordinate IPR timing and district court positions.
2. Utility and Design Patents Protect Different Features
A device can combine functional inventions with ornamental features. Utility and design patents may protect different parts of one product.
Utility Claims Focus on Function
- Draft claims around technical structures, methods, or device functions.
- Support claimed subject matter with the disclosure required by 35 U.S.C. § 112.
- Match claim scope to features that carry commercial value.
Application planning may also involve utility patent registration.
Design Protection Focuses on Appearance
- Identify new, original, ornamental features of an article of manufacture.
- Keep functional and ornamental protection analytically separate.
- Consider both forms of protection when competitors could copy either aspect.
3. Patent Filing Should Be Coordinated with FDA Development
Patent prosecution and FDA review are separate federal processes. Regulatory milestones do not decide patentability, but product changes and disclosures can affect filing strategy.
Plan Filing before Disclosure or Launch
- Track publications, demonstrations, sales, and other disclosures.
- A provisional supports priority only for subject matter it adequately discloses.
- Revisit pending claims as engineering and regulatory plans change.
Treat Section 101 Risk by Claim Type
- Give closer eligibility review to software, diagnostic, or data-processing claims.
- Do not assume every physical device claim presents the same § 101 concern.
- Keep patent eligibility separate from FDA safety and effectiveness review.
4. Obviousness Can Shape Medical Device Patent Value
Incremental improvements may face 35 U.S.C. § 103 challenges. The analysis can turn on prior-art combinations, expected results, and objective evidence.
Test the Prior Art Combination
- Compare each claimed feature with the cited references.
- Examine the stated reason for combining prior-art teachings.
- Ask whether the proposed combination supports the claimed result.
Preserve Objective Evidence
- Document commercial success when tied to the claimed invention.
- Preserve evidence of long-felt need or copying when the facts support it.
- Connect objective evidence to the claimed features in dispute.
5. Litigation and Licensing Create Different Leverage
A patent owner may weigh litigation, licensing, and settlement based on claim strength, market impact, remedies and competitive risk.
Assess Federal Court Remedies
- Section 284 provides damages adequate to compensate for proven infringement.
- A court may increase damages up to three times the amount found or assessed.
- Injunctive relief under § 283 remains subject to equitable principles.
Related issues may require broader patent law analysis.
Draft Settlement Scope Carefully
- Define licensed products, fields of use, and future product versions.
- State releases and any non-infringement covenant precisely.
- Consider how one agreement affects disputes involving other competitors.
6. Foreign Manufacturers May Create an ITC Option
Imported medical devices can create a different enforcement problem. Section 337 proceedings before the U.S. International Trade Commission may provide import-focused relief when required conditions are met.
Compare Court and ITC Remedies
- Use district court litigation when monetary damages are central.
- Consider the ITC when allegedly infringing imports are the main concern.
- Treat exclusion and cease-and-desist orders separately from damages.
These matters may also overlap with international trade disputes.
Check ITC Threshold Issues Early
- Map the manufacturer, importer, and domestic distribution chain.
- Assess importation and domestic-industry requirements for a patent-based complaint.
- Keep infringement and validity positions consistent across chosen forums.
7. Build One Strategy Across Filing and Enforcement
A portfolio works better when prosecution, product development, regulatory planning, and dispute readiness move together. The aim is to choose tools that fit the device.
Coordinate Internal and Outside Attorneys
- Assign responsibility for invention disclosures and filing decisions.
- Preserve privilege and issue litigation holds when a dispute requires them.
- Keep prosecution positions consistent with enforcement arguments.
Revisit the Portfolio As the Device Changes
- Track design changes that may support additional filings.
- Review continuation options while applications remain pending.
- Compare portfolio cost with the commercial importance of each feature.
8. Frequently Asked Questions
Can one medical device have both utility and design patents?
Yes. Different patent types may cover different aspects of one product if their separate statutory requirements are satisfied.
Can a patent cover only one component of a medical device?
Potentially. Patent scope turns on the claims, so a patent may address a component, subsystem, method, or combination rather than the entire commercial device.
Can an accused infringer challenge a medical device patent after a lawsuit starts?
Potentially. Validity defenses may arise in district court, and an eligible party may pursue IPR subject to statutory timing, scope, and estoppel rules.
Can a patent owner stop an infringing medical device from being imported?
Potentially. Section 337 proceedings may provide exclusion or cease-and-desist relief when statutory requirements are met.
9. Coordinate Medical Device Patent Strategy with SJKP
SJKP's attorneys can assess prosecution, validity, infringement, IPR exposure, licensing, and import enforcement as connected parts of a federal patent strategy.
06 Oct, 2026
