Prosecution Insights
Last updated: April 19, 2026
Application No. 18/666,089

OPTICAL IMAGING SYSTEM

Non-Final OA §102
Filed
May 16, 2024
Examiner
COLLINS, DARRYL J
Art Unit
2872
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Samsung Electro-Mechanics Co., Ltd.
OA Round
1 (Non-Final)
89%
Grant Probability
Favorable
1-2
OA Rounds
2y 3m
To Grant
94%
With Interview

Examiner Intelligence

Grants 89% — above average
89%
Career Allow Rate
1237 granted / 1390 resolved
+21.0% vs TC avg
Minimal +5% lift
Without
With
+4.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
30 currently pending
Career history
1420
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
37.5%
-2.5% vs TC avg
§102
34.5%
-5.5% vs TC avg
§112
15.2%
-24.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1390 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 . Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Information Disclosure Statement The information disclosure statements (IDS) submitted on May 16, 2024 and January 10, 2025 have been considered by the examiner. 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. Claims 1, 2, 4-6, 8, 9, 11-13 and 16 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Fukushima et al (U.S. Patent Number 4,787,721). With regard to independent claim 1, Fukushima et al teaches an optical imaging system (column 1, lines 6-8 and Figure 1) comprising: a first lens (Figure 1, element L1) comprising a refractive power (column 6, lines 62-63); a second lens (Figure 1, element L2) comprising a refractive power (column 6, lines 63-64); a third lens (Figure 1, element L3) comprising a refractive power (column 6, line 65); a fourth lens (Figure 1, element L4) comprising a convex object-side surface (column 12, Table 1, radius of curvature data for r7); a fifth lens (Figure 1, element L5) comprising a refractive power (column 6, line 66); and a sixth lens (Figure 1, element L6) comprising a concave object-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r11), wherein the first to sixth lenses are sequentially disposed in ascending numerical order form an object side of the optical imaging system toward an imaging plane of the optical imaging system (Figure 1), wherein a radius of curvature of an image-side surface of the third lens is greater than a radius of curvature of an object-side surface of the fourth lens (column 12, Table 1, radius of curvature data for r6 = 322.928; r7 = 80.815; wherein 322.928 > 80.815) and a radius of curvature of an object-side surface of the fifth lens (column 12, Table 1, radius of curvature data for r6 = 322.928; r9 = -25.829; wherein 322.928 > -25.829), wherein a thickness of the first lens is greater than a thickness of the fifth lens (column 12, Table 1, axial distance data for d1 = 11.44; d9 = 3.82; wherein 11.44 > 3.82), and wherein the second lens has a refractive index of 1.65 or higher (column 12, Table 1, refractive index data for N2 = 1.76182). With regard to dependent claim 2, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the first lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r1). With regard to dependent claim 4, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the second lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r4). With regard to dependent claim 5, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the third lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r5). With regard to dependent claim 6, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the third lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r6). With regard to independent claim 8, Fukushima et al teaches an optical imaging system (column 1, lines 6-8 and Figure 1) comprising: a first lens (Figure 1, element L1) comprising a refractive power (column 6, lines 62-63); a second lens (Figure 1, element L2) comprising a refractive power (column 6, lines 63-64); a third lens (Figure 1, element L3) comprising a refractive power (column 6, line 65); a fourth lens (Figure 1, element L4) comprising a convex object-side surface (column 12, Table 1, radius of curvature data for r7); a fifth lens (Figure 1, element L5) comprising a convex image-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r10); and a sixth lens (Figure 1, element L6) comprising a refractive power (column 12, Table 1, lens data wherein the refractive power of L6 = 252.77), wherein the first to sixth lenses are sequentially disposed in ascending numerical order form an object side of the optical imaging system toward an imaging plane of the optical imaging system (Figure 1), wherein a radius of curvature of an image-side surface of the second lens is greater than a radius of curvature of an image-side surface of the fourth lens (column 12, Table 1, radius of curvature data for r4 = 103.019; r8 = -91.730; wherein 103.019 > -91.730), wherein a radius of curvature of an image-side surface of the third lens is greater than a radius of curvature of an object-side surface of the fourth lens (column 12, Table 1, radius of curvature data for r6 = 322.928; r7 = 80.815; wherein 322.928 > 80.815), and wherein the second lens has a refractive index of 1.65 or higher (column 12, Table 1, refractive index data for N2 = 1.76182). With regard to dependent claim 9, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the first lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r1). With regard to dependent claim 11, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the second lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r4). With regard to dependent claim 12, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the third lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r5). With regard to dependent claim 13, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the third lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r6). With regard to dependent claim 16, Fukushima et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the sixth lens has a concave object-side surface in a paraxial region thereof (column 12, Table 1, radius of curvature data for r11). 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)(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. Claims 1-7 are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Bone et al (U.S. Patent Publication 2018/0039044). With regard to independent claim 1, Bone et al teaches an optical imaging system (page 1, paragraph [0002] and Figure 8) comprising: a first lens (Figure 8, element 10) comprising a refractive power (Figure 24, Focal Length data; wherein f1 = 4.500); a second lens (Figure 8, element 20) comprising a refractive power (Figure 24, Focal Length data; wherein f2 = -11.450); a third lens (Figure 8, element 30) comprising a refractive power (Figure 24, Focal Length data; wherein f3 = -28.271); a fourth lens (Figure 8, element 40) comprising a convex object-side surface (Figure 24, Curvature Radius data for surface No. 41); a fifth lens (Figure 8, element 50) comprising a refractive power (Figure 24, Focal Length data; wherein f5 = 2.425); and a sixth lens (Figure 8, element 60) comprising a concave object-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 61), wherein the first to sixth lenses are sequentially disposed in ascending numerical order form an object side of the optical imaging system toward an imaging plane of the optical imaging system (Figure 8), wherein a radius of curvature of an image-side surface of the third lens is greater than a radius of curvature of an object-side surface of the fourth lens (Figure 24, Curvature Radius data for surface No. 32 = 10.853; Radius data for surface No. 41 = 5.040; wherein 10.853 > 5.040) and a radius of curvature of an object-side surface of the fifth lens (Figure 24, Curvature Radius data for surface No. 32 = 10.853; Radius data for surface No. 51 = -12.921; wherein 10.853 > -12.921), wherein a thickness of the first lens is greater than a thickness of the fifth lens (Figure 24, wherein T1 = 0.918; T5 = 0.906; and 0.918 > 0.906), and wherein the second lens has a refractive index of 1.65 or higher (Figure 24, Refractive Index data wherein N2 = 1.661). With regard to dependent claim 2, Bone et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the first lens has a convex object-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 11). With regard to dependent claim 3, Bone et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the second lens has a convex object-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 21). With regard to dependent claim 4, Bone et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the second lens has a concave image-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 22). With regard to dependent claim 5, Bone et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the third lens has a convex object-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 31). With regard to dependent claim 6, Bone et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the third lens has a concave image-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 32). With regard to dependent claim 7, Bone et al teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 1, and further teaches such an optical imaging system wherein the fourth lens has a concave image-side surface in a paraxial region thereof (Figure 24, Curvature Radius data for surface No. 42). Claims 8-15 are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Fukaya (U.S. Patent Number 11,789,234). With regard to independent claim 8, Fukaya teaches an optical imaging system (column 1, lines 12-21 and Figure 1) comprising: a first lens (Figure 1, element L1) comprising a refractive power (column 8, line 28); a second lens (Figure 1, element L2) comprising a refractive power (column 8, lines 36); a third lens (Figure 1, element L3) comprising a refractive power (column 8, line 43); a fourth lens (Figure 1, element L4) comprising a convex object-side surface (column 8, lines 52-55); a fifth lens (Figure 1, element L5) comprising a convex image-side surface in a paraxial region thereof (column 8, lines 59-62); and a sixth lens (Figure 1, element L6) comprising a refractive power (column 8, line 64), wherein the first to sixth lenses are sequentially disposed in ascending numerical order form an object side of the optical imaging system toward an imaging plane of the optical imaging system (Figure 1), wherein a radius of curvature of an image-side surface of the second lens is greater than a radius of curvature of an image-side surface of the fourth lens (column 12, Table 1, Curvature Radius data for Surface Number 4 = 11.9664; Curvature Radius data for Surface Number 9 = 2.0019; wherein 11.9664 > 2.0019), wherein a radius of curvature of an image-side surface of the third lens is greater than a radius of curvature of an object-side surface of the fourth lens (column 12, Table 1, Curvature Radius data for Surface Number 7 = 5.6753; Curvature Radius data for Surface Number 8 = 4.3770; wherein 5.6753 > 4.3770), and wherein the second lens has a refractive index of 1.65 or higher (column 12, Table 1, refractive index Nd data for N2 = 1.661). With regard to dependent claim 9, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the first lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 2). With regard to dependent claim 10, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the second lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 4). With regard to dependent claim 11, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the second lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 5). With regard to dependent claim 12, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the third lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 6). With regard to dependent claim 13, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the third lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 7). With regard to dependent claim 14, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the fourth lens has a concave image-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 9). With regard to dependent claim 15, Fukaya teaches all of the claimed limitations of the instant invention as outlined above with respect to independent claim 8, and further teaches such an optical imaging system wherein the fifth lens has a convex object-side surface in a paraxial region thereof (column 12, Table 1, Curvature Radius data for Surface Number 10). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Bone et al (U.S. Patent Number 12,025,773), Huang (U.S. Patent Publication 2020/0064595) and Hsieh et al (U.S. Patent Publication 2018/0188483) al teach optical imaging systems comprising six lenses. Any inquiry concerning this communication or earlier communications from the examiner should be directed to DARRYL J COLLINS whose telephone number is (571) 272-2325. The examiner can normally be reached M-Th 5:30 a.m. - 4:00 p.m. 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 L 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. /DARRYL J COLLINS/ Primary Examiner, Art Unit 2872 04 March 2026
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Prosecution Timeline

May 16, 2024
Application Filed
Mar 05, 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
89%
Grant Probability
94%
With Interview (+4.9%)
2y 3m
Median Time to Grant
Low
PTA Risk
Based on 1390 resolved cases by this examiner. Grant probability derived from career allow rate.

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