Written by attorneys · grounded in primary & secondary sources — see below
in patent law
A gap between the time a parent application ceases to be pending by abandonment or issuance and the time a continuing application is filed. The gap breaks the chain of continuity so that later applications are not entitled to the effective filing date of the parent application.
Sources & Authorities· 11 primary sources
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How it applies
Common Examples
6
Gap Breaks Continuity Chain
Inventor filed a continuation application six weeks after the parent issued as a patent. The hiatus between issuance and the new filing broke continuity. The continuation therefore could not claim the parent's filing date.
Abandonment Creates Filing Gap
Applicant abandoned the parent application on day one. The continuation was filed on day forty-five. Because the hiatus ended pendency, the later application lost entitlement to the parent's date.
Issuance Ends Pending Status
The parent application issued as a patent. No continuation was filed until after the two-month period. The resulting hiatus prevented the continuation from relating back to the parent's filing date.
Late Filing Loses Priority
After the parent was abandoned the applicant waited three months to file a continuation. The hiatus destroyed the chain of continuity. Priority was measured from the continuation's own filing date.
Gap Prevents Benefit Claim
The parent ceased to be pending upon issuance. A continuation filed the next quarter created a hiatus. The applicant could not rely on the parent's earlier effective date.
Continuity Broken by Delay
Applicant allowed the parent to issue and then filed a continuation two months later. The hiatus between issuance and filing severed continuity. Later claims therefore received only the continuation's filing date.
Common questions
Frequently Asked
6
What consequence follows when a hiatus occurs in a patent application chain?+
A hiatus breaks continuity between a parent application and a later continuing application. Later applications therefore lose the benefit of the parent's filing date. The gap is measured from the moment the parent ceases to be pending until the continuing application is filed.
Supporting sources
How does lapse of time terminate an offeree's power of acceptance?+
An offeree's power of acceptance ends when a reasonable time passes without acceptance. The offer itself may state a deadline or the circumstances may imply one. Once that time expires the offeree can no longer form a contract by accepting.
When does the lapse of a specified period end a land possessor's consent?+
Consent to enter land for a stated period ends automatically when that period expires. The actor who remains after the period has no privilege and may be treated as a trespasser. Reasonable egress remains allowed but further presence does not.
What happens to a devise when the trust it names is revoked before the testator dies?+
Unless the will provides otherwise the devise lapses. The property then passes under the residuary clause or by intestacy. The revocation creates a gap that prevents the trust from receiving the property at death.
Why may an appellate court uphold exclusion of expert testimony that contains an analytical gap?+
A trial court acts as gatekeeper and may exclude an opinion when the data do not support the conclusion offered. The gap between the studies and the expert's claim renders the testimony unreliable. Review on appeal is limited to abuse of discretion.
How can lapse of time affect causation in a negligence claim?+
When substantial time passes after the defendant's conduct the duty to prevent harm may shift to a third person. The later failure of that third person then becomes a superseding cause. The original actor is no longer liable for the resulting harm.
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