Prosecution Insights
Last updated: July 17, 2026
Application No. 18/171,844

SIGNAL PROCESSING APPARATUS, AND SIGNAL PROCESSING METHOD

Non-Final OA §102
Filed
Feb 21, 2023
Priority
Oct 25, 2021 — JP 2021-173634 +2 more
Examiner
HOEKSTRA, JEFFREY GERBEN
Art Unit
3791
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Shionogi & Co., Ltd.
OA Round
3 (Non-Final)
55%
Grant Probability
Moderate
3-4
OA Rounds
7m
Est. Remaining
95%
With Interview

Examiner Intelligence

Grants 55% of resolved cases
55%
Career Allowance Rate
286 granted / 517 resolved
-14.7% vs TC avg
Strong +40% interview lift
Without
With
+39.8%
Interview Lift
resolved cases with interview
Typical timeline
4y 0m
Avg Prosecution
68 currently pending
Career history
595
Total Applications
across all art units

Statute-Specific Performance

§101
2.3%
-37.7% vs TC avg
§103
45.3%
+5.3% vs TC avg
§102
48.0%
+8.0% vs TC avg
§112
3.1%
-36.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 517 resolved cases

Office Action

§102
DETAILED ACTION Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 4/2/26 has been entered. 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 . Notice of Amendment This communication is responsive to the amendment(s) and/or argument(s) filed 4/2/26. The previous ground(s) of objection and/or rejection is/are withdrawn. The following new and/or reiterated ground(s) of rejection is/are set forth hereinbelow. Claim Rejections - 35 USC § 102 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. (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claim(s) 1-7 and 9-18 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Izvarina (US 10,772,529 B2). For claim 1, Izvarina discloses a signal processing apparatus for improving cognitive function (Figs 3-6B, especially 6A-6B) (Cols 2, 15-22 and 27), comprising inter alia: a memory (memory for Fig 6A-6B) (Figs 3-6B) (Cols 2, 15-22 and 27) that stores instructions (instructions for Figs 6A-6B) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Col 15-16); a processor (processor for Figs 6A-6B) (Figs 3-6B) (Cols 2, 15-22 and 27) that executes the instructions stored in the memory to: receive an input acoustic signal (620) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16); amplitude-modulate the received input acoustic signal to generate an output acoustic signal having an amplitude change corresponding to a frequency between 35 Hz and 45 Hz (via 695 menu selection of only gamma stimulation waveform) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16), wherein the processor does not perform amplitude modulation to generate an acoustic signal having an amplitude change corresponding to a frequency outside a range of 35 Hz to 45 Hz for the received input acoustic signal (via 695 menu selection of only gamma stimulation waveform) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16); and output the generated output acoustic signal (630) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Col 15-16). For claim 2, Izvarina discloses the claimed the signal processing apparatus according to claim 1, wherein the output acoustic signal has an asymmetric rise and fall of an envelope of an amplitude waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 3, Izvarina discloses the signal processing apparatus according to claim 2, wherein the rise of the envelope of the amplitude waveform in the output acoustic signal is steeper than the fall of the envelope (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 4, Izvarina discloses the signal processing apparatus according to claim 3, wherein the envelope of the amplitude waveform of the output acoustic signal is an inverse-sawtooth waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 5, Izvarina discloses the signal processing apparatus according to claim 2, wherein the fall of the envelope of the amplitude waveform in the output acoustic signal is steeper than the rise of the envelope (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 6, Izvarina discloses the signal processing apparatus according to claim 5, wherein the envelope of the amplitude waveform of the output acoustic signal is sawtooth waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 7, Izvarina discloses the signal processing apparatus according to claim 1, wherein an envelope of an amplitude waveform of the output acoustic signal is sinusoidal waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 9, Izvarina discloses the signal processing apparatus according to claim 1, wherein the input acoustic signal includes an audio signal corresponding to music content (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16). For claim 16, Izvarina discloses the signal processing apparatus according to claim 1, wherein the processor further executes the instructions stored in the memory to: determine a modulation method based on characteristics of the input acoustic signal (Figs 3-6B) (Cols 2, 15-22 and 27), wherein the output acoustic signal is generated by performing modulation processing according to the determined modulation method on the received input acoustic signal (Figs 3-6B) (Cols 2, 15-22 and 27). For claim 17, Izvarina discloses signal processing apparatus of claim 1, wherein the output acoustic signal induces gamma waves in a brain of a listener to improve cognitive function of the listener (Figs 3-6B) (Cols 2, 15-22 and 27). For claim 10, Izvarina discloses a signal processing method for improving cognitive function (Figs 3-6B, especially 6A-6B) (Cols 2, 15-22 and 27), comprising inter alia: receiving (at 620) an input acoustic signal (Figs 3-6B) (Cols 2, 15-22 and 27, especially Col 15-16); amplitude-modulating the received input acoustic signal to generate an amplitude change corresponding to a frequency between 35 Hz and 45 Hz Hz (via 695 menu selection of only gamma stimulation waveform) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16); and outputting (at 630) the generated output acoustic signal to induce gamma wanves in a brain of a listener to improve cognitive function of the listener (Figs 3-6B) (Cols 2, 15-22 and 27, especially Col 15-16). For claim 11, Izvarina discloses the signal processing method according to claim 10, wherein the output acoustic signal has an asymmetric rise and fall of an envelope of an amplitude waveform waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 12, Izvarina discloses the signal processing method according to claim 10, wherein an envelope of an amplitude waveform of the output acoustic signal is sinusoidal waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 13, Izvarina discloses a non-transitory computer-readable recording medium that stores a program which causes a computer to execute a method for improving cognitive function (Figs 3-6B, especially 6A-6B) (Cols 2, 15-22 and 27), comprising inter alia: receiving (at 620) an input acoustic signal (Figs 3-6B) (Cols 2, 15-22 and 27, especially Col 15-16); amplitude-modulating the received input acoustic signal to generate an output acoustic signal having an amplitude change corresponding to a frequency between 35 Hz and 45 Hz (via 695 menu selection of only gamma stimulation waveform) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16), wherein the program does not cause the computer to perform amplitude modulation to generate an acoustic signal having an amplitude change corresponding to a frequency outside a range of 35 Hz to 45 Hz for the received input acoustic signal (via 695 menu selection of only gamma stimulation waveform) (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 15-16); and outputting (at 630) the generated output acoustic signal (Figs 3-6B) (Cols 2, 15-22 and 27, especially Col 15-16). For claim 14, Izvarina discloses the non-transitory computer-readable recording medium according to claim 13, wherein the output acoustic signal has an asymmetric rise and fall of an envelope of an amplitude waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 15, Izvarina discloses the non-transitory computer-readable recording medium according to claim 13, wherein an envelope of an amplitude waveform of the output acoustic signal is sinusoidal waveform (Figs 3-6B) (Cols 2, 15-22 and 27, especially Cols 2 and 27). For claim 18, Izvarina discloses the non-transitory computer-readable recording medium according to claim 13, wherein the output acoustic signal induces gamma waves in a brain of a listener to improve cognitive function of the listener (Figs 3-6B) (Cols 2, 15-22 and 27). Response to Arguments Applicant’s arguments, see pages 6-8, filed 4/2/26, with respect to the rejection(s) of the amended claim(s) as not being obvious under Daulton in view of Martorell have been fully considered and are persuasive. Therefore, the rejection has been withdrawn. However, upon further consideration, a new ground(s) of rejection is made in view of Izvarina as set forth hereinabove. Conclusion The cited prior art made of record on the accompanying PTO-892 and not relied upon is considered pertinent to applicant's disclosure, relating to means for generating and outputting amplitude modulating gamma wave entrainment frequencies between 35-45 Hz based on input acoustic signal(s). Any inquiry concerning this communication or earlier communications from the examiner should be directed to Jeffrey G. Hoekstra whose telephone number is (571)272-7232. The examiner can normally be reached Monday through Thursday from 5am-3pm EST. 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, Charles A. Marmor II can be reached at (571)272-4730. 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. Jeffrey G. Hoekstra Primary Examiner Art Unit 3791 /JEFFREY G. HOEKSTRA/ Primary Examiner, Art Unit 3791
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Prosecution Timeline

Show 1 earlier event
Aug 13, 2025
Non-Final Rejection mailed — §102
Oct 28, 2025
Response Filed
Jan 14, 2026
Final Rejection mailed — §102
Feb 25, 2026
Applicant Interview (Telephonic)
Feb 25, 2026
Examiner Interview Summary
Apr 02, 2026
Request for Continued Examination
Apr 23, 2026
Response after Non-Final Action
Jun 03, 2026
Non-Final Rejection mailed — §102 (current)

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Prosecution Projections

3-4
Expected OA Rounds
55%
Grant Probability
95%
With Interview (+39.8%)
4y 0m (~7m remaining)
Median Time to Grant
High
PTA Risk
Based on 517 resolved cases by this examiner. Grant probability derived from career allowance rate.

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