Prosecution Insights
Last updated: October 04, 2026
Application No. 18/972,534

IMAGING LENS SYSTEM, CAMERA MODULE AND ELECTRONIC DEVICE

Non-Final OA §102§DOUBLEPATENT
Filed
Dec 06, 2024
Priority
Aug 09, 2021 — provisional 63/231,063 +1 more
Examiner
BROOME, SHARRIEF I
Art Unit
Tech Center
Assignee
Largan Precision Co., Ltd.
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
9m
Est. Remaining
86%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
659 granted / 809 resolved
+21.5% vs TC avg
Minimal +4% lift
Without
With
+4.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
35 currently pending
Career history
821
Total Applications
across all art units

Statute-Specific Performance

§101
2.4%
-37.6% vs TC avg
§103
45.2%
+5.2% vs TC avg
§102
34.9%
-5.1% vs TC avg
§112
13.7%
-26.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 809 resolved cases

Office Action

§102 §DOUBLEPATENT
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application is being examined under the pre-AIA first to invent provisions. Information Disclosure Statement As required by M.P.E.P. 609, the applicant’s submissions of the Information Disclosure Statement dated 12/06/2024, 8/13/2025, 8/19/2025 and 6/11/2026 is acknowledged by the examiner and the cited references have been considered in the examination of the claims now pending. Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP §§ 706.02(l)(1) - 706.02(l)(3) for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/process/file/efs/guidance/eTD-info-I.jsp. Claims 1-21 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-28 of U.S. Patent No. 12,204,075. Although the claims at issue are not identical, they are not patentably distinct from each other because both claim sets include the same or similar limitations such that an anticipatory or obviousness relationship exists between the limitations. In this case all of the limitations of both document's claims are present in both claim sets and although the language is not identical the limitations are substantially similar within the broadest reasonable interpretation standard. It is noted that the claim language of the instant application 18/972534 within claims 2-9 and 11-21 repeats the same claim language of U.S. Patent No. 12,204,075. Instant application 18/972534 U.S. Patent No. 12,204,075 Explanation as needed Claim 1: An imaging lens system, comprising: a lens barrel element; and an imaging lens assembly, disposed on the lens barrel element, and the imaging lens assembly comprising, in order from an object side to an image side: a first imaging lens element, having a first image-side contact surface; a spacer element, having a second object-side contact surface and a second image-side contact surface, and the second object-side contact surface corresponding to the first image-side contact surface; and a second imaging lens element, having a third object-side contact surface, and the third object-side contact surface corresponding to the second image-side contact surface; wherein the lens barrel element and the spacer element together form a buffer structure located farther away from an optical axis of the imaging lens assembly than the first image-side contact surface to the optical axis, and the buffer structure comprises: a first gap, wherein the first gap at least partially overlaps the third object-side contact surface in a direction parallel to the optical axis; and a second gap, wherein a step difference is between the first gap and the second gap, and the second gap is located closer to the optical axis than the first gap to the optical axis; wherein a width of the first gap is g1, a width of the second gap is g2, an inner diameter of the first image-side contact surface is Φi1, an inner diameter of the first gap is Φg1, and the following conditions are satisfied: 0.01 ≤ g1/g2 ≤ 0.9; and 0.5 ≤ 1000×g1/(Φg1-Φi1) ≤ 15. Claim 1: An imaging lens system, comprising: a lens barrel element; and an imaging lens assembly, disposed on the lens barrel element, and the imaging lens assembly comprising, in order from an object side to an image side: a first imaging lens element, having a first image-side contact surface; a spacer element, having a second object-side contact surface and a second image- side contact surface, and the second object-side contact surface corresponding to the first image-side contact surface; and a second imaging lens element, having a third object-side contact surface, and the third object-side contact surface corresponding to the second image-side contact surface; wherein the second imaging lens element comprises a mark structure, the mark structure is an annular tapering protrusion, the mark structure surrounds an optical axis of the imaging lens system, and the mark structure is located closer to the optical axis than the third object-side contact surface to the optical axis; wherein the lens barrel element and the spacer element together form a buffer structure located farther away from the optical axis than the first image-side contact surface to the optical axis, and the buffer structure comprises: a first gap, wherein the first gap at least partially overlaps the third object-side contact surface in a direction parallel to the optical axis; and a second gap, wherein a step difference is between the first gap and the second gap, and the second gap is located closer to the optical axis than the first gap to the optical axis; wherein a width of the first gap is g1, a width of the second gap is g2, and the following condition is satisfied: 0.01 <g1/g2 < 0.9. One ordinarily skilled in the art would recognize the similarities of both inventions disclosing an imaging lens system that includes a lens barrel element. Claim 10: An imaging lens system, comprising: a lens barrel element; and an imaging lens assembly, disposed on the lens barrel element, and the imaging lens assembly comprising, in order from an object side to an image side: a first imaging lens element, having a first image-side contact surface; a spacer element, having a second object-side contact surface and a second image-side contact surface, and the second object-side contact surface corresponding to the first image-side contact surface; and a second imaging lens element, having a third object-side contact surface, and the third object-side contact surface corresponding to the second image-side contact surface; wherein the lens barrel element and the spacer element together form a buffer structure located farther away from an optical axis of the imaging lens assembly than the first image-side contact surface to the optical axis, and the buffer structure comprises: a first gap, wherein the first gap at least partially overlaps the third object-side contact surface in a direction parallel to the optical axis; and a second gap, wherein a step difference is between the first gap and the second gap, and the second gap is located closer to the optical axis than the first gap to the optical axis; wherein an inner diameter of the first gap is Φg1, an outer diameter of the first image-side contact surface is Φo1, an outer diameter of the second image-side contact surface is Φo2, a width of the first gap is g1, an inner diameter of the first image-side contact surface is Φi1, and the following conditions are satisfied: 0.3 < (Φg1-Φo1)/(Φo2-Φo1) < 0.9; and 0.5 ≤ 1000×g1/(Φg1-Φi1) ≤ 15. Claim 12: An imaging lens system, comprising: a lens barrel element; and an imaging lens assembly, disposed on the lens barrel element, and the imaging lens assembly comprising, in order from an object side to an image side: a first imaging lens element, having a first image-side contact surface; a spacer element, having a second object-side contact surface and a second image- side contact surface, and the second object-side contact surface corresponding to the first image-side contact surface; and a second imaging lens element, having a third object-side contact surface, and the third object-side contact surface corresponding to the second image-side contact surface; wherein the second imaging lens element comprises a mark structure, the mark structure is an annular tapering protrusion, the mark structure surrounds an optical axis of the imaging lens system, and the mark structure is located closer to the optical axis than the third object-side contact surface to the optical axis; wherein the lens barrel element and the spacer element together form a buffer structure located farther away from the optical axis than the first image-side contact surface to the optical axis, and the buffer structure comprises: a first gap, wherein the first gap at least partially overlaps the third object-side contact surface in a direction parallel to the optical axis; and a second gap, wherein a step difference is between the first gap and the second gap, and the second gap is located closer to the optical axis than the first gap to the optical axis; wherein an inner diameter of the first gap is ɸg1, an outer diameter of the first image-side contact surface is ɸo1, an outer diameter of the second image-side contact surface is ɸo2, and the following condition is satisfied: 0.3 < (ɸg1- ɸo1)/( ɸo2- ɸo1) < 0.9. One ordinarily skilled in the art would recognize the similarities of both inventions disclosing an imaging lens system that includes a lens barrel element. Allowable Subject Matter Claims 1-21 are allowed, pending applicant’s overcoming of the obvious double patenting rejection above. The following is a statement of reasons for the indication of allowable subject matter: with respect to the allowable subject matter, none of the prior art either alone or in combination disclose or teach of the claimed combination of limitations to warrant a rejection under 35 USC 102 or 103. Specifically regarding the allowability of independent claim 1: The prior art of record does not disclose or suggest an imaging lens system comprising “ a lens barrel element; and an imaging lens assembly, disposed on the lens barrel element, and the imaging lens assembly comprising, having a third object-side contact surface, and the third object-side contact surface corresponding to the second image-side contact surface; wherein a step difference is between the first gap and the second gap, and the second gap is located closer to the optical axis than the first gap to the optical axis; wherein a width of the first gap is g1, a width of the second gap is g2, an inner diameter of the first image-side contact surface is Φi1, an inner diameter of the first gap is Φg1, and the following conditions are satisfied: 0.01 ≤ g1/g2 ≤ 0.9; and 0.5 ≤ 1000×g1/(Φg1-Φi1) ≤ 15”, along with other claim limitations, is not disclosed or suggested by the prior art of record. Claims 2-9 are allowable due to pendency on independent claim 1. Specifically regarding the allowability of independent claim 10: The prior art of record does not disclose or suggest an imaging lens system comprising “a lens barrel element; and an imaging lens assembly, wherein the first gap at least partially overlaps the third object-side contact surface in a direction parallel to the optical axis; and a second gap, wherein a step difference is between the first gap and the second gap, and the second gap is located closer to the optical axis than the first gap to the optical axis; wherein an inner diameter of the first gap is Φg1, an outer diameter of the first image-side contact surface is Φo1, an outer diameter of the second image-side contact surface is Φo2, a width of the first gap is g1, an inner diameter of the first image-side contact surface is Φi1, and the following conditions are satisfied: 0.3 < (Φg1-Φo1)/(Φo2-Φo1) < 0.9; and 0.5 ≤ 1000×g1/(Φg1-Φi1) ≤ 15”, along with other claim limitations, is not disclosed or suggested by the prior art of record. Claims 11-21 are allowable due to pendency on independent claim 10. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Watanabe (20200285029) and Yang (20190174032) are examples of camera lens systems incorporating a lens module with a spacer to decrease performance degradation. Any inquiry concerning this communication or earlier communications from the examiner should be directed to Sharrief I Broome whose telephone number is (571)272-3454. The examiner can normally be reached Monday-Friday 8am-5pm, 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, Ricky Mack can be reached at 571-272-2333. 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. Sharrief I. Broome Primary Examiner Art Unit 2872 /SHARRIEF I BROOME/ Primary Examiner, Art Unit 2872
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Prosecution Timeline

Dec 06, 2024
Application Filed
Aug 28, 2026
Non-Final Rejection mailed — §102, §DOUBLEPATENT (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
82%
Grant Probability
86%
With Interview (+4.5%)
2y 7m (~9m remaining)
Median Time to Grant
Low
PTA Risk
Based on 809 resolved cases by this examiner. Grant probability derived from career allowance rate.

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