Prosecution Insights
Last updated: April 19, 2026
Application No. 18/304,845

3D Image Sensor Ranging System, and Ranging Method Using Same

Non-Final OA §102§112
Filed
Apr 21, 2023
Examiner
RATCLIFFE, LUKE D
Art Unit
3645
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Rayz Technologies (Suzhou) Co. Ltd.
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
2y 11m
To Grant
98%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allow Rate
1476 granted / 1690 resolved
+35.3% vs TC avg
Moderate +10% lift
Without
With
+10.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
43 currently pending
Career history
1733
Total Applications
across all art units

Statute-Specific Performance

§101
2.3%
-37.7% vs TC avg
§103
50.2%
+10.2% vs TC avg
§102
26.3%
-13.7% vs TC avg
§112
13.6%
-26.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1690 resolved cases

Office Action

§102 §112
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 Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 9, 10, 12, 22, 23, 25 rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Referring to claim 9 and 22, the equation is t_1+Δt1 is unclear. The claim fails to define what the variable t1 is. Note this variable is defined in claim 8 however claim 9 depends on claim 6. Referring to claims 9 and 22 the claim continues to include the equation distance=(t_max-t0)×C/2 speed of light. It is unclear if “speed of light” is merely a definition of the variable C or if there is a 2*speed of light in the denominator of the equation. Referring to claim 10 and 23, the claims include the equation distance=(t_max-t0)×C/2 speed of light. It is unclear if “speed of light” is merely a definition of the variable C or if there is a 2*speed of light in the denominator of the equation. The term “strong light” and “weak light” in claim 12 is a relative term which renders the claim indefinite. The term “strong light” and “weak light” is not defined by the claim, the specification does not provide a standard for ascertaining the requisite degree, and one of ordinary skill in the art would not be reasonably apprised of the scope of the invention. It is unclear if the light is compared to a threshold that determines if the light is strong or weak and how that threshold is set. The term “strong light” and “weak light” in claim 25 is a relative term which renders the claim indefinite. The term “strong light” and “weak light” is not defined by the claim, the specification does not provide a standard for ascertaining the requisite degree, and one of ordinary skill in the art would not be reasonably apprised of the scope of the invention. It is unclear if the light is compared to a threshold that determines if the light is strong or weak and how that threshold is set. 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. Claim(s) 1, 16, and 29 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Pacala (20190011567). Referring to claims 1, 16, and 29, Pacala shows A 3D image sensor ranging system, comprising: at least one light-emitting unit array (see figure 3 Ref 310), each of the light-emitting unit array comprising at least one light-emitting unit (see figure 3 note the individual elements 302), configured to emit light to a target scenario (see figure 3 Ref 310 and 312); at least one photosensitive unit array (see figure 3 Ref 320), each of the photosensitive unit array comprising at least one photosensitive unit (see figure 3 Ref 308), configured to receive at least a part of light emitted by the light-emitting unit and reflected by the target scenario (see figure 3 note the reflected light 318), and generate a sensing tensor based on received light (see figures 18-19 also see paragraph 182-183 note the scanning that locates a target in the field of view); and at least one computing component (see figure 1 Ref 122), configured to calculate at least one of a distance between the light-emitting unit and the target scenario (paragraph 80) or a light intensity of the reflected light of the emitted light (see paragraph 80 note the time or intensity histogram), wherein the distance and the light intensity correspond to an angle of the emitted light (see figure 18-20 note the scanning that acquires distance to targes based on the angle of the solid state scanning lidar also see paragraph 181-186 for a description of the scanning of the emitter array and detector array through the field of regard), based on the sensing tensor generated by the at least one photosensitive unit (note the tensor data is associated with what elements are activated and the angle those elements are set to scan as shown in the figures 18-20). Allowable Subject Matter Claims 2-8, 11, 13-15, 17-21, 24, and 26-28 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to LUKE D RATCLIFFE whose telephone number is (571)272-3110. The examiner can normally be reached M-F 9:00AM-5:00PM 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, Isam Alsomiri can be reached at 571-272-6970. 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. /LUKE D RATCLIFFE/Primary Examiner, Art Unit 3645
Read full office action

Prosecution Timeline

Apr 21, 2023
Application Filed
Jan 28, 2026
Non-Final Rejection — §102, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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TRANSMIT SIGNAL DESIGN FOR AN OPTICAL DISTANCE MEASUREMENT SYSTEM
2y 5m to grant Granted Mar 31, 2026
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Patent 12585021
ADDRESSABLE PROJECTOR FOR DOT BASED DIRECT TIME OF FLIGHT DEPTH SENSING
2y 5m to grant Granted Mar 24, 2026
Patent 12578475
Processing Of Lidar Images
2y 5m to grant Granted Mar 17, 2026
Patent 12571893
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2y 5m to grant Granted Mar 10, 2026
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
87%
Grant Probability
98%
With Interview (+10.2%)
2y 11m
Median Time to Grant
Low
PTA Risk
Based on 1690 resolved cases by this examiner. Grant probability derived from career allow rate.

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