Prosecution Insights
Last updated: October 25, 2026
Application No. 18/135,701

LIGHT DIFFUSING LENS AND LIGHT EMITTING DEVICE INCLUDING THE SAME

Final Rejection §103
Filed
Apr 17, 2023
Priority
Jul 17, 2013 — RE 10-2013-0084327 +6 more
Examiner
MAI, THIEN T
Art Unit
2876
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Seoul Semiconductor Co., Ltd.
OA Round
8 (Final)
59%
Grant Probability
Moderate
9-10
OA Rounds
0m
Est. Remaining
79%
With Interview

Examiner Intelligence

Grants 59% of resolved cases
59%
Career Allowance Rate
418 granted / 707 resolved
-8.9% vs TC avg
Strong +20% interview lift
Without
With
+19.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
36 currently pending
Career history
750
Total Applications
across all art units

Statute-Specific Performance

§101
10.1%
-29.9% vs TC avg
§103
60.0%
+20.0% vs TC avg
§102
23.1%
-16.9% vs TC avg
§112
1.8%
-38.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 707 resolved cases

Office Action

§103
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 § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim(s) 17-21, 23-25 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee (US 20140293582) in view of Jiang (US 20150077976 ) and LO (US 20130033884) Lee discloses A light module comprising: a substrate (500) for electrical connection; light sources (200-204) disposed on the substrate and comprising a first light emitter and a second light emitter; and a plurality of lenses (101-104) disposed on the substrate, each lens comprising a light exit region, each of the plurality of lenses includes an upper surface and a lower surface and an outer side surface between the upper surface and the lower surface of the lens (Fig. 7-9), wherein the lower surface of each lens includes a light incident region depressed inwards therefrom (Fig. 3-5) at an optical axis defined by a straight line passing through a center of the lens, wherein the upper surface of each lens includes a curved shape depressed toward the optical axis and the light incident region of the lens (Fig. 5), wherein the outer side surface of each lens comprises a first region 120 and a second region bulging further outward from the optical axis than the first region, wherein a light emitted through one of the lenses corresponding to the first light emitter has a different shape of beam angle distribution than a shape of a beam angle distribution of a light emitted through another one of the lenses corresponding to the second light emitter (par. 49-50, 68), the first light emitter and the second light emitter are disposed on the same substrate (Fig. 7, 9), wherein the optical axis of each of the plurality of lenses is oriented perpendicular with respect to the substrate (Fig. 7, 9), and wherein the first region (120) is a planar surface extending from a distal end of the upper surface (Figs. 7-9), and Lee is silent to the first region 120 is further inclined with respect to an upper surface of the substrate and the second region is a convex surface extending from an end of the planar surface 120 to a position above a top surface of the substrate. Jiang discloses the first region is a linear surface (3, 31, Fig. 1, 5) extending from a distal end of the upper surface and inclined with respect to an upper surface of the substrate (par. 34: protruding stand 31 is conic structure), and the second region is a convex surface (2, 21) extending from an end of the planar surface to a position above a top surface of the substrate Therefore, it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Jiang to achieve a light distribution pattern or mounting structure characterized by the structure in Jiang. It is noted that both Lee and Jiang have a flange portion, which is well known to be optional and can be omitted as taught by at least LO (par. 62) Claim 18.17, wherein a distance from an outer boundary of the first region to the optical axis is not constant (Fig. 5-9). Claim 19.17, wherein a distance from an outer boundary of the second region to the optical axis is not constant (Fig. 5-9). Claim 20.18, wherein the distance from the outer boundary of the first region to the optical axis increases as the first region extends toward the lower surface (Figs. 5-9). Claim 21.18, wherein the outer boundary of the first region comprises a flat face (Fig. 7-9). Claim 24.21, wherein the light incident region includes a first convex face and a second convex face (Fig. 3-5, 6c-f). Claim 25.24, wherein the first and second convex faces have different radiuses of curvature (Fig. 3-5, 6c-f). Claim(s) 22 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee (US 20140293582)/ Jiang (US 20150077976 ) in view of Pao (US 20070273984) Re claim 22.21, wherein an angle defined between the flat face of the first region and the lower surface is less than about 90* Pao discloses an angle defined between the flat face 320 of the first region and the lower surface is less than about 90* (Fig. 5) Therefore, it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Pao to achieve a light distribution pattern characterized by the flat face angle. Claim(s) 23, 27-31, 33-34, 36 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee (US 20140293582)/ Jiang (US 20150077976 ) in view of Kasai (US 20120099046) 23.17, further comprising a reflective sheet disposed on the substrate and reflecting a light emitted from each lens (Lee discloses a reflective sheet, par. 54; Lee is silent to the substrate arranged on the lower surface of the reflective sheet; Kasai discloses a reflective sheet (42, 11) disposed on substrate 41 for reflecting a light emitted from the lenses; it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Kasai for ease of manufacturing by being able to be attached to the substrate and for reflecting more light upward) 27. A display apparatus comprising: a substrate 500 for electrical connection; a light source 200 disposed on the substrate and comprising a first light emitter and a second light emitter (Figs. 7-9); a plurality of lenses disposed on the substrate, each lens comprising a light exit region, each of the plurality of lenses includes an upper surface and a lower surface and an outer side surface between the upper surface and the lower surface of the lens (Lee, Figs. 3-9); and a reflective sheet reflecting a light emitted from the lenses, wherein the lower surface includes a light incident portion depressed inwards therefrom at an optical axis defined by a straight line passing through a center of the lens, wherein the upper surface includes a curved shape depressed toward the optical axis and the light incident portion of the lens, wherein the outer side surface comprises a first region and a second region bulging further outward from the optical axis than the first region, wherein the substrate is arranged on a lower surface of the reflective sheet (Lee discloses a reflective sheet; Lee is silent to the substrate arranged on the lower surface of the reflective sheet; Kasai discloses a reflective sheet (42, 11) disposed on substrate 41 for reflecting a light emitted from the lenses; it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Kasai for ease of manufacturing by being able to be attached to the substrate and for reflecting more light upward), wherein a light emitted through one of the lenses has a different shape of beam angle distribution than a shape of a beam angle distribution of a light emitted though at least one of the other lenses and wherein the optical axis of each of the plurality of lenses is oriented perpendicular with respect to the substrate (Lee, par. 49-50). Lee is silent to the first region 120 is further inclined with respect to an upper surface of the substrate and the second region is a convex surface extending from an end of the planar surface 120 to a position above a top surface of the substrate. Jiang discloses the first region is a linear surface (3, 31, Fig. 1, 5) extending from a distal end of the upper surface and inclined with respect to an upper surface of the substrate (par. 34: protruding stand 31 is conic structure), and the second region is a convex surface (2, 21) extending from an end of the planar surface to a position above a top surface of the substrate Therefore, it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Jiang to achieve a light distribution pattern or mounting structure characterized by the structure in Jiang. Re claims 28-31, 33-34, 36, see discussion regarding claims above. Claim(s) 26, 35 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee (US 20140293582)/ Jiang (US 20150077976 ) in view of Kijima (US 20090140630) Re claim 26.17, 35.27, Lee is silent to each of the first light emitter and the second light emitter comprise a light emitting diode chip and a wavelength converter covering the light emitting diode chip. Kijima discloses a light emitter 201 is known to comprise a light emitting diode chip 4 and a wavelength converter covering the light emitting diode chip (Figs. 1-7, par. 170-172, 326-336). Therefore, it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Kijima for emitting a desirable wavelength via a conversion Claim(s) 32 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee (US 20140293582)/ Jiang (US 20150077976 ) Kasai (US 20120099046) in view of Pao (US 20070273984) Re claim 32.31, wherein an angle defined between the flat face of the first region and the lower surface is less than about 90* Pao discloses an angle defined between the flat face 320 of the first region and the lower surface is less than about 90* (Fig. 5) Therefore, it would have been obvious to one of ordinary skill in the art before the effective date the invention was made to incorporate the teachings of Pao to achieve a light distribution pattern characterized by the flat face angle. Response to Arguments Applicant’s arguments have been considered but are moot in view of new ground of rejection. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to THIEN MAI whose telephone number is (571)272-8283. The examiner can normally be reached M-F 8-5pm. 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, Steven Paik can be reached at 571-272-2404. 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. /THIEN T MAI/ Primary Examiner, Art Unit 2876
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Prosecution Timeline

Show 15 earlier events
Dec 10, 2025
Response Filed
Jan 23, 2026
Final Rejection mailed — §103
Mar 23, 2026
Response after Non-Final Action
Apr 16, 2026
Request for Continued Examination
Apr 24, 2026
Response after Non-Final Action
Jun 03, 2026
Non-Final Rejection mailed — §103
Sep 03, 2026
Response Filed
Oct 05, 2026
Final Rejection mailed — §103 (current)

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Prosecution Projections

9-10
Expected OA Rounds
59%
Grant Probability
79%
With Interview (+19.9%)
3y 1m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 707 resolved cases by this examiner. Grant probability derived from career allowance rate.

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