Prosecution Insights
Last updated: August 16, 2026
Application No. 18/668,784

METHOD AND SYSTEM FOR NOISE CANCELLATION BASED ON QUBIT FEEDBACK

Non-Final OA §103
Filed
May 20, 2024
Priority
May 23, 2023 — provisional 63/503,838
Examiner
EBERSMAN, BRUCE I
Art Unit
Tech Center
Assignee
Duke University
OA Round
1 (Non-Final)
64%
Grant Probability
Moderate
1-2
OA Rounds
1y 11m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 64% of resolved cases
64%
Career Allowance Rate
362 granted / 565 resolved
+4.1% vs TC avg
Strong +59% interview lift
Without
With
+58.7%
Interview Lift
resolved cases with interview
Typical timeline
4y 2m
Avg Prosecution
36 currently pending
Career history
607
Total Applications
across all art units

Statute-Specific Performance

§101
25.9%
-14.1% vs TC avg
§103
49.0%
+9.0% vs TC avg
§102
8.8%
-31.2% vs TC avg
§112
13.5%
-26.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 565 resolved cases

Office Action

§103
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Notice of Pre-AIA or AIA Status Claims 1-20 are pending. This action is a non-final office action on the mertis. 35 USC § 101- this application is deemed to not be an abstract idea but rather an improvement of technology. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim(s) 1,12,17,20, 8-11 is/are rejected under 35 U.S.C. 103 as being unpatentable over US Patent to Sete 10483980 As per claim 1, Sete discloses; comprising: detecting sensor data comprising a noise spectrum by at least one sensor; calculating frequency components of noise in a quantum information processing (QIP) system based on the sensor data; Sete(col. 16 lines 20-22) determining amplitude components and phase components of the noise, based on qubit data comprising a current state of a qubit due to the noise and an expected state of the qubit without the noise; Sete(col. 7 lines 1-20) configuring a noise cancelling (NC) waveform generator to generate NC waveforms in accordance with NC frequency components, Sete(col. 7 lines 1-10) NC amplitude components, and NC phase components that are based on the frequency components and the amplitude and phase components of the noise; Sete(col. 7 lines 1-10) and applying, by the NC waveform generator, the NC waveforms to a hardware based NC element to cancel out the noise. Sete(col. 7 lines 55-60) Here, the examiner notes that there may be some minor differences between Sete and the instant claims however, one of ordinary skill in the art would recognize that they are similar in the inventive concepts of filtering out and canceling quantum noises. Claims 12, 17 and 20 are similar to claim 1. As per claim 10 Sete discloses; The computer-implemented method according to claim 1, further comprising determining the amplitude components and the phase components of the noise from differences in amplitude components and phase components between the current state of the qubit due to noise and the expected state of the qubit without noise Col. 3 lines 50-55 As per claim 8 Sete discloses, The computer-implemented method according to claim 1, further comprising determining the expected state of the qubit without noise based on images received from a remote image repository. Col. 7 lines 50-55 As per claim 9 Sete discloses; The computer-implemented method according to claim 1, further comprising determining the expected state of the qubit without noise based on prestored values. Col. 28, lines 15-20) As per claim 11, Sete disclose; The computer-implemented method according to claim 1, wherein the configuring comprises sending a control signal to the NC waveforms generator to control parameters comprising the NC frequency components, the NC amplitude components, and the NC phase components of the NC waveforms generated by the NC waveform generator. Seto (col. 7, lines 55-65) Claim(s) 2-4, 13-15, and 18-19 are rejected under 35 U.S.C. 103 as being unpatentable over US Patent to Sete 10483980 in view of US Patent Publication to Heim 20230350236 As per claim 2 Sete does not explicitly disclose what Heim teaches; The computer-implemented method according to claim 1, wherein the hardware based NC element comprises one or more segments of wire located by elements of the QIP system. Heim(0104,7, wired or wireless) It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the invention to combine Sete and Heim for the motivation of combining known quantum technology . 0004 Claims 13, 18 are similar to claim 2 As per claim 3 Sete does not explicitly disclose what Heim teaches; The computer-implemented method according to claim 1, wherein the hardware based NC element comprises one or more mechanical actuators configured to exhibit a resonance effect responsive to the NC waveforms. Heim(0084, 0017, resonant frequency) It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the invention to combine Sete and Heim for the motivation of combining known quantum technology . 0004 Claim 14, 19 are similar to claim 3 As per claim 4 Sete does not explicitly disclose what Heim teaches; The computer-implemented method according to claim 3, further comprising electrically or mechanically controlling a positioning of mirrors coupled to mechanical actuators that direct vibrations from the mechanical actuators towards a source of the noise. Heim(0074, 0098) It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the invention to combine Sete and Heim for the motivation of combining known quantum technology . 0004 Claim 15 is similar to claim 4 Claim(s) 5,6,7 are rejected under 35 U.S.C. 103 as being unpatentable over US Patent to Sete 10483980 in view of US Patent Publication to Heim 20230350236 (Note, only for claim 5 is Heim asserted) and US Patent Publication 2020/0382219 to Innes As per claim 5, Sete and Heim do not explicitly disclose what Innes teaches; The computer-implemented method according to claim 3, wherein the mechanical actuators have piezoelectric components. Innes(0126, image sensor, 0137) It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the invention to combine Sete, Heim and Inness for the motivation of combining known quantum technology . (0002) As per claim 6, Sete does not explicitly disclose what Innes teaches; 6. The computer-implemented method according to claim 1, wherein at least some of the sensors are located by a chamber of the QIP system and at least other ones of the sensors are located further from the chamber of the QIP system. Innes(0019) It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the invention to combine Sete, and Inness for the motivation of combining known quantum technology . (0002) As per claim 7 Sete does not explicitly disclose what Innes teaches; The computer-implemented method according to claim 1, further comprising determining at least one of the current state of the qubit due to noise and the expected state of the qubit without noise based at least on images captured by an imaging system of the QIP system. Innes(0033) It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the invention to combine Sete, and Inness for the motivation of combining known quantum technology . (0002) Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Microwave Techniques for Quantum Computers: State-of-the-Art Control Systems for Quantum Processors, IEEE 2020 Microwaves in Quantum Computing, PMC 2021 Any inquiry concerning this communication or earlier communications from the examiner should be directed to BRUCE I EBERSMAN whose telephone number is (571)270-3442. The examiner can normally be reached 8:00 am - 5:00 pm Monday-Friday. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Michael W Anderson can be reached at 571-270-0508. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /BRUCE I EBERSMAN/Primary Examiner, Art Unit 3693
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Prosecution Timeline

May 20, 2024
Application Filed
Jul 27, 2026
Non-Final Rejection mailed — §103 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
64%
Grant Probability
99%
With Interview (+58.7%)
4y 2m (~1y 11m remaining)
Median Time to Grant
Low
PTA Risk
Based on 565 resolved cases by this examiner. Grant probability derived from career allowance rate.

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