Prosecution Insights
Last updated: April 19, 2026
Application No. 18/555,892

A SYSTEM AND A METHOD OF DETERMINING INFORMATION RELATING TO A PERIODIC SIGNAL

Non-Final OA §102
Filed
Oct 18, 2023
Examiner
STECKBAUER, KEVIN R
Art Unit
3747
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
UNIVERSITY OF COPENHAGEN
OA Round
1 (Non-Final)
81%
Grant Probability
Favorable
1-2
OA Rounds
2y 2m
To Grant
90%
With Interview

Examiner Intelligence

Grants 81% — above average
81%
Career Allow Rate
507 granted / 623 resolved
+11.4% vs TC avg
Moderate +8% lift
Without
With
+8.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 2m
Avg Prosecution
27 currently pending
Career history
650
Total Applications
across all art units

Statute-Specific Performance

§101
3.7%
-36.3% vs TC avg
§103
33.9%
-6.1% vs TC avg
§102
32.3%
-7.7% vs TC avg
§112
25.5%
-14.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 623 resolved cases

Office Action

§102
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Interpretation The following is a quotation of 35 U.S.C. 112(f): (f) Element in Claim for a Combination. – An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The following is a quotation of pre-AIA 35 U.S.C. 112, sixth paragraph: An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. This application includes one or more claim limitations that do not use the word “means,” but are nonetheless being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, because the claim limitation(s) uses a generic placeholder that is coupled with functional language without reciting sufficient structure to perform the recited function and the generic placeholder is not preceded by a structural modifier. Such claim limitation(s) is/are: “storage elements” in claim 17-32. Because this/these claim limitation(s) is/are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, it/they is/are being interpreted to cover the corresponding structure described in the specification as performing the claimed function, and equivalents thereof. If applicant does not intend to have this/these limitation(s) interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, applicant may: (1) amend the claim limitation(s) to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph (e.g., by reciting sufficient structure to perform the claimed function); or (2) present a sufficient showing that the claim limitation(s) recite(s) sufficient structure to perform the claimed function so as to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 17-24, 26-28, and 31 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Chorley et al (NPL U). Regarding claims 17 and 26, Chorley teaches a system and corresponding method for determining information relating to a first periodic signal (Figure 1 and system implied for performing the disclosed method below), the system comprising: a sequence of storage elements each configured to store at least one charged particle (Fig.1 double quantum dot; charge stability diagram shows storage of single electrons), a first terminal (Figure 1: left side of CNT) configured to deliver charged particles to and receive charged particles from a first storage element (left dot of the double quantum dot) of the sequence of storage elements, the first storage element configured to receive a first DC signal and a first AC signal comprising the first periodic signal (Page 1, Col. 2, second paragraph "The two plunger gates..."; Page 2, Col.1, second paragraph: "the occupation number (n, m) of the quantum dots..."), a signal source (Page 1, Col.2, second paragraph: "High frequency synthesized waveforms...") configured to provide a second periodic signal having a period at least substantially equal to an integer time a period of the first periodic signal or the period of the first periodic signal divided by an integer (same frequency; Page 2, Col. 1, second paragraph: "the occupation number (n, m) of the quantum dots..."), a second terminal (Figure 1: right side of CNT) configured to deliver charged particles to and receive charged particles from a second storage element (right dot of the double quantum dot) of the sequence of storage elements, the second storage element being configured to receive the second periodic signal, as a second AC signal, and a second DC signal (Page 1, Col. 2, second paragraph: "The two plunger gates are connected...."), and a current sensor (Page 1, Col. 2, second paragraph: "the current through the nanotube device is measured by a Keithley 6514 electrometer") configured to sense a current transmitted between the two terminals and output a corresponding current signal. Chorley further teaches a processor (necessarily included to perform the disclosed method) configured to: a) a number of times (See Figure 2 for illustration of performance multiple times): i) during a plurality of periods of the first AC signal, receive the current signal while keeping the first and second DC signals constant (Figure 2; such a charge stability diagram is achieved with generally constant DC signals relative to the frequency of the pumping AC voltage [and an absolutely "constant" signal is impossible, so all "constant" signals are merely close to being absolutely constant in the same sense]; Page 2, Col.1 discloses "modulation frequency f= 6 MHz") and ii) determine or obtain information as to the voltages of the first and second DC signals, where the first and/or second DC signal vary/ies from time to time (Page 2, Col. 1, second paragraph through Col. 2, first paragraph: "Figure 2 shows the resulting current..."; Figure 2 illustrates measurement along the traces in the charge stability diagram, i.e., for different DC signals and each time completed circular trace around the triple point), and b) determine the information based on the current signals (Figure 2/4; Page 2, Col. 1 through Col. 2: information about frequency of voltage, whether trajectory included triple point, whether voltage crossed triple point). Regarding claim 18, Chorley discloses the invention of claims 17 and 26 as discussed above, and Chorley teaches that the storage elements are quantum dots (See previously cited sections). Regarding claim 19, Chorley discloses the invention of claims 17 and 26 as discussed above, and Chorley teaches that the charged particles are electrons (See previously cited sections). Regarding claims 20 and 27, Chorley discloses the invention of claims 17 and 26 as discussed above, and Chorley teaches that the signal source is configured to output a sine-shaped or saw tooth-shaped signal (See previously cited sections, including Page 2, Col. 1). Regarding claims 21 and 28, Chorley discloses the invention of claims 17 and 26 as discussed above, and Chorley teaches that the signal source is configured to output, as the second periodic signal, the first periodic signal delayed or phase shifted by a predetermined portion, and wherein the processor is configured to determine the information based also on the delay or phase shift (See previously cited sections, including Page 2, Col. 1). Regarding claims 22 and 31, Chorley discloses the invention of claims 17 and 28 as discussed above, and Chorley teaches that the controller is configured to alter one or both of the first and the second DC signals between two adjacent times of the number of times (Page 2, Col. 1: "the centers of the circular paths..." [See resulting pumped current stability diagrams in Figure 2]). Regarding claim 23, Chorley discloses the invention of claim 21 as discussed above, and Chorley teaches that the signal source is controllable by the processor to select one of a plurality of predetermined delays or phase shifts, the controller being configured to: for a plurality of different delays or phase shifts: control the delay element to delay the periodic signal by the pertaining delay or phase shift, and perform steps a) and b), where step b) comprises determining the information from the received current signals and the delays/phase shifts (See previously cited sections, including Figure 2). Regarding claim 24, Chorley discloses the invention of claims 17 and 26 as discussed above, and Chorley teaches that the processor is configured to control the signal source to output a selected second periodic signal of a plurality of second periodic signals, and wherein the processor is configured to: perform step a) for each of a number of different second periodic signals and perform step b) on the basis of the current signals received and the second periodic signals used for each step a) (See previously cited sections, including Figure 2). Claim(s) 17-32 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Platonov et al (NPL V). Regarding claims 17 and 26, Platonov teaches a system and method for determining information relating to a first periodic signal (Abstract; Figure 1 and system implied for performing the disclosed method below; Figure 5; also see Page 13, Col. 1), the system comprising: a sequence of storage elements each configured to store at least one charged particle (Figure 5 and corresponding descriptions; Page 13, Col. 1), a first terminal (of left lead in Figure 5) configured to deliver charged particles to and receive charged particles from a first storage element of the sequence of storage elements, the first storage element configured to receive a first DC signal and a first AC signal comprising the first periodic signal (in Figure 5, VL acts on left lead; also see Figure 1) a signal source configured to provide a second periodic signal having a period at least substantially equal to an integer time a period of the first periodic signal or the period of the first periodic signal divided by an integer (Figure 5; Page 1, Col. 2, final paragraph), a second terminal (of right lead in Figure 5) configured to deliver charged particles to and receive charged particles from a second storage element of the sequence of storage elements, the second storage element being configured to receive the second periodic signal, as a second AC signal, and a second DC signal (in Figure 5, VR acts on quantum dot; also see Figure 1), and a current sensor configured to sense a current transmitted between the two terminals and output a corresponding current signal (See Figure 1a). Platonov further teaches a processor (necessarily included to perform the disclosed method) configured to: a) a number of times (See Figure 1 for illustration of performance multiple times): i) during a plurality of periods of the first AC signal, receive the current signal while keeping the first and second DC signals constant (Figure 1a; also as noted above, such a charge stability diagram is achieved with generally constant DC signals relative to the frequency of the pumping AC voltage [and an absolutely "constant" signal is impossible, so all "constant" signals are merely close to being absolutely constant in the same sense]), and ii) determine or obtain information as to the voltages of the first and second DC signals, where the first and/or second DC signal vary/ies from time to time (Figure 1a; Page 1, Col. 2, final paragraph), and b) determine the information based on the current signals (Page 5, Col. 1). Regarding claim 18, Platonov discloses the invention of claims 17 and 26 as discussed above, and Platonov teaches that the storage elements are quantum dots (See previously cited sections, including Figure 1 and Page 13, Col. 1). Regarding claim 19, Platonov discloses the invention of claims 17 and 26 as discussed above, and Platonov teaches that the charged particles are electrons (See previously cited sections, including Figure 1). Regarding claims 20 and 27, Platonov discloses the invention of claims 17 and 26 as discussed above, and Platonov teaches that the signal source is configured to output a sine-shaped or saw tooth-shaped signal (See equation 1). Regarding claims 21 and 28, Platonov discloses the invention of claims 17 and 26 as discussed above, and Platonov teaches that the signal source is configured to output, as the second periodic signal, the first periodic signal delayed or phase shifted by a predetermined portion, and wherein the processor is configured to determine the information based also on the delay or phase shift (See equation 1, and Figures 1c and 2). Regarding claims 22 and 31, Platonov discloses the invention of claims 17 and 28 as discussed above, and Platonov teaches that the controller is configured to alter one or both of the first and the second DC signals between two adjacent times of the number of times (See Figure 1a). Regarding claim 23, Platonov discloses the invention of claim 21 as discussed above, and Platonov teaches that the signal source is controllable by the processor to select one of a plurality of predetermined delays or phase shifts, the controller being configured to: for a plurality of different delays or phase shifts: control the delay element to delay the periodic signal by the pertaining delay or phase shift, and perform steps a) and b), where step b) comprises determining the information from the received current signals and the delays/phase shifts (See Figure 2). Regarding claim 24, Platonov discloses the invention of claims 17 and 26 as discussed above, and Platonov teaches that the processor is configured to control the signal source to output a selected second periodic signal of a plurality of second periodic signals, and wherein the processor is configured to: perform step a) for each of a number of different second periodic signals and perform step b) on the basis of the current signals received and the second periodic signals used for each step a) (See Figure 2). Regarding claims 25 and 32, Platonov discloses the invention of claims 17 and 28 as discussed above, and Platonov teaches that the processor is configured to, in step b), to determine as the information a voltage over time of the first periodic signal (See Page 5, Col. 1, and previously cited sections). Regarding claim 29, Platonov discloses the invention of claim 28 as discussed above, and Platonov teaches that a delay is identified at which at least substantially no current is generated, and wherein the information relates to the delay (Figure 3; Page 4, Col. 1, first paragraph). Regarding claim 30, Platonov discloses the invention of claim 28 as discussed above, and Platonov teaches that the step of deriving the information comprises sequentially selecting a plurality of delays and basing the determination on the currents detected and the delays (Figure 3; Page 4, Col. 1, first paragraph). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to KEVIN R STECKBAUER whose telephone number is (571)270-0433. The examiner can normally be reached Monday - Thursday 9:30-7:30 PST. 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, Logan Kraft can be reached at 571-270-5065. 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. /KEVIN R STECKBAUER/Primary Examiner, Art Unit 3747
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Prosecution Timeline

Oct 18, 2023
Application Filed
Jan 09, 2026
Non-Final Rejection — §102 (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
81%
Grant Probability
90%
With Interview (+8.2%)
2y 2m
Median Time to Grant
Low
PTA Risk
Based on 623 resolved cases by this examiner. Grant probability derived from career allow rate.

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