Master 37 CFR 1.56 duty of candor and good faith, who is bound by the duty (and who is exempt), materiality standards, and Supplemental Examination (MPEP 2800).
AI Practice✓ Based on MPEP Ninth Edition, Rev. 01.2024 (Nov 2024)
During the course of a supplemental examination proceeding, the USPTO becomes aware that a material fraud on the Office may have been committed in connection with the patent under examination. Which of the following actions will the USPTO take in accordance with MPEP § 2014 and 35 U.S.C. 257?
According to MPEP § 2014 and 35 U.S.C. 257(e), if the Office becomes aware during supplemental examination or any ex parte reexamination ordered under 35 U.S.C. 257 that a material fraud on the Office may have been committed in connection with the patent requested to be examined, the proceeding will continue, and the matter will be referred to the U.S. Attorney General.
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Under USPTO practice, if a finding of inequitable conduct or violation of the duty of disclosure through bad faith or intentional misconduct is established with respect to a single claim in a patent application, what is the effect on the application?
A finding of 'fraud,' 'inequitable conduct,' or violation of the duty of disclosure through bad faith or intentional misconduct with respect to any claim in an application or patent renders all the claims thereof unpatentable or invalid.
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According to MPEP § 2004, which of the following statements correctly describes the practice for submitting information concerning prior uses and sales under the duty of disclosure?
According to MPEP § 2004, item 11, it is desirable to submit material information about prior uses and sales even if it appears that they may have been experimental, not involve the specifically claimed invention, or not encompass a completed invention. Additionally, MPEP § 2004 states that in close cases, the question of relevancy should be left to the examiner and not the applicant.
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Under 37 CFR 1.56(b), information is material to patentability when it is NOT cumulative to information already of record or being made of record in the application. Generally, when information is clearly cumulative or not material, there is no duty to disclose the information to the Office.
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Which of the following statements is correct regarding the effect of fraud or inequitable conduct practiced in an original patent application on a subsequent reissue application of that patent?
According to USPTO policy and established case law, fraud or inequitable conduct practiced or attempted in an application that issues as a patent is considered fraud practiced or attempted in connection with any subsequent application to reissue that patent. The reissue application and the patent are inseparable regarding questions of fraud, inequitable conduct, or duty of disclosure.
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According to USPTO practice, Request for Continued Examination (RCE) practice under 37 CFR 1.114 applies to which of the following types of patent applications?
RCE practice under 37 CFR 1.114 does not apply to utility or plant applications filed before June 8, 1995, or to design applications. Therefore, it applies to utility applications filed on or after June 8, 1995.
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If an application under examination is identified as a continuation, divisional, or continuation-in-part of an earlier application, under what condition must an applicant make a separate citation in the later application of prior art that was properly cited in the earlier application?
According to the provided MPEP text, the examiner will consider prior art properly cited in an earlier parent application (continuation, divisional, or continuation-in-part). Consequently, 'no separate citation of the same prior art need be made in the later application, unless applicant wants a listing of the prior art printed on the face of the patent.'
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According to USPTO guidelines regarding the duty to submit prior art and information during patent prosecution, which of the following statements is CORRECT?
According to MPEP 2004, potentially material information discovered late in prosecution should be immediately submitted. That the issue fee has been paid is no reason or excuse for failing to submit information. Furthermore, applicants should submit information early in prosecution (e.g., before the first action) and avoid submitting long lists of clearly irrelevant or marginally pertinent cumulative information.
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How MPEP 2000 Duty of Disclosure Is Tested on the 2026 Patent Bar Exam
MPEP Chapter 2000 (Duty of Disclosure) focuses on 37 CFR 1.56. The Patent Bar tests who owes the duty of candor and good faith to the USPTO: (1) each inventor named in the application, (2) each attorney or agent who prepares or prosecutes the application, and (3) every other person who is substantively involved in the preparation or prosecution of the application and who is associated with the inventor, the applicant, or the assignee.
Crucially, the exam loves testing who does NOT owe the duty under 37 CFR 1.56(c): typists, clerks, and paralegals performing purely clerical tasks, as well as corporations or institutions as entities (the duty applies only to individuals, not corporate entities) and third parties who are not associated with the inventor or assignee.
You must also know the two-prong definition of "material to patentability" under 37 CFR 1.56(b): information is not cumulative to information already of record and either (1) establishes, by itself or in combination with other information, a prima facie case of unpatentability of a claim, or (2) refutes, or is inconsistent with, a position the applicant takes in opposing an argument of unpatentability or asserting an argument of patentability.
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Frequently Asked Questions: MPEP 2000 Duty of Disclosure
Does a corporate assignee itself owe a duty of disclosure under 37 CFR 1.56?
No. Under MPEP § 2001.01, the word "with" in 37 CFR 1.56(c)(3) means that the duty of disclosure applies only to individuals, not to organizations, corporations, or institutions.
When does the duty of disclosure under 37 CFR 1.56 terminate for a patent application?
Under 37 CFR 1.56(a) and MPEP § 2001.04, the duty to disclose information exists with respect to each pending claim until the claim is cancelled or the application becomes abandoned, or until the patent actually issues (paying the issue fee alone does not terminate the duty before the issue date).
Is information that is purely cumulative to references already of record considered material under 37 CFR 1.56?
No. Under 37 CFR 1.56(b), information is material to patentability only when it is NOT cumulative to information already of record or being made of record in the application.