Patent Bar Practice Questions Explained

Original patent bar practice questions with the answer, a full worked explanation and the mistake candidates actually make. Pick your module, then a topic. For a mixed set, try the free sample questions or the free mock.

Patent bar Test questions

54 worked questions across 18 topics

Patent eligibility and utility (35 U.S.C. 101)

A claim recites a mathematical formula for calculating the optimal cure time of rubber, and further recites constantly measuring mold temperature, recalculating the cure time with the formula, and automatically opening the press when the calculated time has elapsed. Under the USPTO's analysis, which conclusion is best supported?
An applicant claims 'an isolated bacterium of species S' that is identical in structure and function to the bacterium as found in soil, merely separated from it. Under the USPTO's analysis, how is the claim treated?
An examiner concludes that an applicant's claimed perpetual-motion machine has no credible utility. Under the MPEP, what other rejection should normally accompany the 101 utility rejection?

Novelty under the AIA (first inventor to file)

Pre-AIA novelty and statutory bars

Obviousness (35 U.S.C. 103)

Written description, enablement and claims (35 U.S.C. 112)

Application parts, filing date and formalities

Fees, entity status, papers and deadlines

Benefit and priority claims

Design and plant applications

Examination, Office actions and replies

Restriction and double patenting

Duty of disclosure, IDS and third-party submissions

Appeals, petitions and revival

Allowance, issue, reissue and correction of patents

Patent term, adjustment, extension and maintenance fees

Reexamination, supplemental examination and AIA trials

PCT, foreign filing licenses and international designs

Practitioner registration, representation and ethics

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Original study material written from the MPEP. Independent. Not affiliated with or endorsed by the USPTO.