Q) Restriction

by patentbar on August 1, 2008 · 6 comments

in Exam Questions

Is restriction proper for combination? subcombination? protest?

{ 6 comments… read them below or add one }

1 John DoeNo Gravatar April 8, 2009 at 1:22 pm

I had this question. It asks about the standard for imposing a restriction requirement where combinations/subcombinations are involved. I was able to eliminate a couple answers based on the MPEP but can’t remember any specifics.

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2 passthepatentbarNo Gravatar May 22, 2009 at 4:47 pm

MPEP 806.05

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3 cindoNo Gravatar September 4, 2009 at 1:11 am

806.05(c):

To support a requirement for restriction >between combination and subcombination inventionsthere would be a seriuos search burden as evidenced byanother materiallycombination<.
When these factors cannot be shown, such inventions are not distinct.

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4 sethzNo Gravatar January 22, 2010 at 2:29 pm

Related question about combination/subcombination restriction, in 2002 Oct AM #45. But that particular question ask about ownership right/assignment.

45. John filed a nonprovisional patent application in the USPTO claiming two distinct inventions, a combination and a subcombination. At the time of filing the nonprovisional application, he recorded an assignment of all right, title, and interest in the inventions claimed in the application to ABC Corporation. In the first Office action, the examiner required restriction, and John elected the combination. A year later, during the pendency of the nonprovisional application, John filed a divisional patent application claiming the subcombination. At the time of filing the divisional application, John assigned all right, title, and interest in the inventions claimed in the divisional application to XYZ Corporation, and the latter party recorded the assignment within three months of the assignment. Following recordation of the assignment to XYZ Corporation, which of the following statements is false?
(A) The Office should treat John as having no ownership rights in the combination.
(B) The Office should treat John as having no ownership rights in the subcombination.
(C) ABC Corporation has no ownership rights in the subcombination.
(D) XYZ Corporation has no ownership rights in the combination.
(E) XYZ Corporation has no ownership rights in the subcombination.

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5 ChrisNo Gravatar April 17, 2010 at 12:14 am

I believe that the answer is (C), because C is false. ABC Corp has rights to both the original parent application and the divisional application as the divisional is considered a subset of rights in the original assignment, as the subject matter therein came from the parent. John has no rights to either application.

Anyone know for sure?

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6 MarianneNo Gravatar May 27, 2010 at 10:35 pm

ANSWER: (C) is a false statement and therefore the correct answer. Under 35 U.S.C.
§ 261, “An assignment, grant, or conveyance shall be void as against any subsequent purchaser
or mortgagee for a valuable consideration, without notice, unless it is recorded in the Patent and
Trademark Office within three months from its date or prior to the date of such subsequent
purchase or mortgage.” (C) is correct because ABC Corporation acquired all of John’s ownership
rights in the original patent application, including the subcombination claimed in the original
nonprovisional and divisional patent applications. The assignment of the rights to ABC
Corporation was recorded in the USPTO prior to the subsequent acquisition of the
subcombination by XYZ Corporation. U.S.C. § 261. ABC Corporation’s recordation of its
assignment gave constructive notice to XYZ Corporation. MPEP § 306 recites that in the case of
a division…application, a prior assignment recorded against the original application is applied to
the division…application because the assignment recorded against the original application gives
the assignee rights to the subject matter common to both applications. (A) and (B) are true
statements and therefore wrong answers. John gave up his ownership rights when he executed
the assignment to ABC Corporation. The assignment to ABC Corporation carries with it the
transfer of the bundle of rights associated with subject matter common to the original patent

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