What You Will Learn
- 1Continuation applications let you file new claims based on the same original disclosure
- 2Three types exist: continuations, continuations-in-part (CIP), and divisional applications
- 3The most valuable portfolios are built through systematic continuation strategies, not isolated filings
- 4Continuations generally must be filed while the parent application is still pending, a timing detail worth confirming with qualified patent counsel
- 5Continuation filing costs are significantly lower than new applications ($3,000-$8,000 vs $10,000-$20,000)
Most companies think about patents one at a time. The companies with the strongest portfolios use a different strategy: they file a foundational application, then systematically expand coverage through continuation applications.
Three Types of Continuation Applications
| Type | New Disclosure? | Priority Date | Best For |
|---|---|---|---|
| Continuation | No | Parent filing date | Different claim scope from same disclosure |
| CIP | Yes, adds new matter | Mixed | Adding new features to the original invention |
| Divisional | No | Parent filing date | After a restriction requirement |
Continuations use the identical specification but pursue different claims. Use them to broaden, narrow, or create design-around deterrence.
CIPs add new technical content. Only claims fully supported by the original spec get the parent's priority date.
Divisionals let you pursue non-elected inventions after a restriction requirement.
Building a Continuation Strategy
- Write a rich specification. More detail = more continuation options later.
- File first with moderate claims. Broad enough to be meaningful, narrow enough to be allowable.
- Keep a continuation pending. This creates an open pipeline for future claims.
- Monitor competitors. File targeted claims when you see competitive activity within your disclosure.
- Build claim diversity. System, method, apparatus, and data processing claims across a patent family.
Cost Considerations
- USPTO filing fees: $800-$1,600 (small entity)
- Attorney fees: $3,000-$8,000 (vs $10,000-$20,000 for new applications)
- Prosecution: $3,000-$10,000 depending on complexity
See our patent fees guide for detailed cost breakdowns.
Critical Timing Rule
Don't Miss the Window
A continuation generally must be filed before the parent application issues as a patent or is abandoned. Once the parent is no longer pending, that window typically closes. Many practitioners recommend filing a continuation around the same time the parent's issue fee is paid, a timing question worth confirming with your qualified patent counsel.Sources
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Disclaimer: This content is for informational purposes only and does not constitute professional legal advice. Please consult with qualified patent professionals before making patent strategy decisions.
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