Prosecution Insights
Last updated: April 19, 2026
Application No. 18/581,583

PRISM BLOCK, CAMERA MODULE, AND METHOD FOR MANUFACTURING PRISM BLOCK

Non-Final OA §102§103§112
Filed
Feb 20, 2024
Examiner
BOUTSIKARIS, LEONIDAS
Art Unit
2872
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Sharp Sensing Technology Corporation
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
3y 3m
To Grant
99%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allow Rate
92 granted / 106 resolved
+18.8% vs TC avg
Strong +15% interview lift
Without
With
+15.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
25 currently pending
Career history
131
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
54.0%
+14.0% vs TC avg
§102
23.7%
-16.3% vs TC avg
§112
20.1%
-19.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 106 resolved cases

Office Action

§102 §103 §112
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 Statement filed on 2/20/2024 has been considered. DETAILED ACTION The instant application having Application No. 18/581,583 filed on 2/20/2024 is presented for examination by the Examiner. Examiner cites particular columns and line numbers in the references as applied to the claims below for the convenience of the Applicant. Although the specified citations are representative of the teachings in the art and are applied to the specific limitations within the individual claim, other passages and figures may apply as well. It is respectfully requested that, in preparing responses, the Applicant fully consider the references in entirety as potentially teaching all or part of the claimed invention, as well as the context of the passage as taught by the prior art or disclosed by the examiner. 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 7-8 are 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. Regarding claim 7, said claim recites a “causing the holder to position and retain the prism while bringing the prism into abutment with the mounting surface” in lines 7-8. It is not clear how the claimed method causes the holder to position and retain the prism. For examination purposes it will be taken that this caused by abutting the prism with the mounting surface. Claims 8 is dependent from claim 7 and is indefinite for the reason given above. 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, 4-5 are rejected under 35 U.S.C. 102(2)(1) as being anticipated by Shibuya-ku (JPH0650012U, hereinafter, “Shibuya-ku”). Regarding claim 1, Shibuya-ku discloses (reference paragraphs refer to the English translation, figure numbers refer to the original) a prism block (30, 40), Fig. 4, comprising: a holder 30 having an opening surface (left open side of block 30 as seen in Fig. 4) and a mounting surface (bottom surface of block 30) perpendicular to the opening surface ([0023], [0024], when the prism 40 is inserted into the box 30 the bottom surface of prism 42 abuts the bottom surface of the block 30); and a prism 40 configured to receive first light that travels in a first direction, and to cause second light that travels in a second direction perpendicular to the first direction to exit (through the hole in the bottom surface of holder 30), the prism 40 being positioned and retained by the holder 30 while being in abutment with the mounting surface ([0026]). Regarding claim 2, Shibuya-ku discloses the prism block according to claim 1, wherein the holder includes a plate-shaped portion (bottom portion of block 30) having the mounting surface (the top surface thereof), Fig. 4, and the plate-shaped portion has a circular hole having a circular planar shape (Fig. 4). Regarding claim 4, Shibuya-ku discloses the prism block according to claim 1, wherein the prism has a first flat surface configured to receive the first light (a flat surface of prism 41 facing the entrance of block 30), a second flat surface perpendicular to the first flat surface (a flat surface of prism 42 facing the bottom surface of block 30), and configured to cause the second light to exit, an inclined surface 43 inclined with respect to the first flat surface and the second flat surface (Fig. 4, [0022]), and configured to subject the first light to total-reflection to generate the second light, and a remaining surface other than the first flat surface, the second flat surface, and the inclined surface (a side surface of prism 42), and the holder 30 has a hole 34 extending from an outside of the holder toward the remaining surface (Fig. 4, [0023]). Regarding claim 5, Shibuya-ku discloses the prism block according to claim 1, wherein the prism has a first flat surface configured to receive the first light (a flat surface of prism 41 facing the entrance of block 30), a second flat surface perpendicular to the first flat surface (a flat surface of prism 42 facing the bottom surface of block 30), and configured to cause the second light to exit, and an inclined surface 43 inclined with respect to the first flat surface and the second flat surface, and configured to subject the first light to total-reflection to generate the second light (Fig. 4, [0022]), and the second flat surface is in surface-contact with the mounting surface ([0026], when prisms 41, 42 slide into the holder 30 until the end of the mounting surface 32, the bottom surface of prism 42 is in contact with the top surface of the plate-shaped bottom portion of the holder 30, see Fig. 4). Claim Rejections - 35 USC § 103 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 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 7 is rejected under 35 U.S.C. 103 as being unpatentable over Shibuya-ku. Regarding claim 7, Shibuya-ku discloses a method for manufacturing a prism block (30, 40), Fig. 4, comprising: inserting a prism 40 into a holder 30 having an opening surface (left open side of block 30 as seen in Fig. 4) and a mounting surface (bottom surface of block 30) perpendicular to the opening surface (prism 40 can be slid into holder 30 from the top), and bringing the prism into abutment with the mounting surface ([0026]), the prism being configured to receive first light that travels in a first direction, and to cause second light that travels in a second direction perpendicular to the first direction to exit (through the hole in the bottom surface of holder 30); and causing the holder to position and retain the prism while bringing the prism into abutment with the mounting surface ([0026]). Shibuya-ku does not discloses inserting the prism into the holder via the opening surface. In Shibuya-ku the prism is inserted into the holder via the top opening surface of block 30 (see arrow in Fig, 4). It would have been obvious to one of ordinary skill in the art at the time before the effective filing date of the present application to modify Shibuya-ku so that the prism 40 is inserted into the holder 30 via the bottom direction , i.e., the opening surface of the holder, since it has been held that a mere reversal of working parts of a device (i.e., here, insertion of the prism along the opposite direction as the one seen by the arrow in Fig. 4) involves only routine skill in the art. In re Gazda 104 USPQ 400 (CCPA 1955). Claim 3 is rejected under 35 U.S.C. 103 as being unpatentable over Shibuya-ku in view of Park et al. (US 2023/0072601, hereinafter, “Park”). Regarding claim 3, Shibuya-ku discloses the prism block according to claim 1, wherein the prism has a first flat surface (a flat surface of prism 41 facing the entrance of block 30) configured to receive the first light, a second flat surface perpendicular to the first flat surface (a flat surface of prism 42 facing the bottom surface of block 30), and configured to cause the second light to exit, and an inclined surface 43 inclined with respect to the first flat surface and the second flat surface, and configured to subject the first light to total-reflection to generate the second light (Fig. 4, [0022]), the holder has an opposing surface 32 facing the inclined surface 43 ([0024]). Shibuya-ku does not disclose the holder has an opposing surface facing the inclined surface with a gap between the inclined surface and the opposing surface. Park discloses a prism actuator (Abstract). In Park the prism actuator includes a prism holder 200 that holds a prism 300 (Fig. 3, [0065]). In one embodiment, the prism holder 200 may include a groove 250 in an inner surface of the holder so that a space may be formed between the holder 200 and the prism 300 by the groove (Fig. 7, [0075]). Both Shibuya-ku and Park disclose optical prism holders. It would have been obvious to one of ordinary skill in the art at the time before the effective filing date of the present application to modify Shibuya-ku, so that, there is space/gap between the inclined surface 43/44 of the prism 40 and the opposing surface 32 of the prism holder 30, for securing the bonding of the prism to the prism holder, as taught by Park (0075]) (after, for example, aligning the two components). Shibuya-ku/Park does not disclose the opposing surface 32 has an asperity shape. It would have been obvious to one of ordinary skill in the art at the time before the effective filing date of the present application to modify Shibuya-ku/Park, so that, the grove 250 in Park has an asperity shape (a flat shape is shown in Fig. 7 of Park), since it has been held that a mere change in shape of an element is generally recognized as being with in the level of ordinary skill in the art when the change in shape is not significant to the function of the combination. In re Dailey 149 USPQ 47 (CCPA 1966). An engaging surface with an asperity shape would provide better adhesion wear between the two components. Claim 6 is rejected under 35 U.S.C. 103 as being unpatentable over Shibuya-ku in view of Yamamoto et al. (US 2010/0290135, hereinafter, “Yamamoto”). Regarding claim 6, Shibuya-ku discloses the prism block according to claim 1. Shibuya-ku does not disclose a camera module further comprising: an optical system configured to cause the second light to form an image; and an image pickup element configured to take the image. Yamamoto discloses an image pickup apparatus, i.e., a camera module (Fig. 1, [0011]) comprising a prism 9, an optical system 18, 21 configured to cause the light reflected from the prism to form an image, and image pickup element 24 configured to take the image ([0032]-[0037]). Both Shibuya-ku and Yamamoto disclose optical elements/systems for controlling incident image light. It would have been obvious to one of ordinary skill in the art at the time before the effective filing date of the present application to modify Shibuya-ku so that the prism block (30, 40) is part of a beam bending assembly in a camera module, for controlling/directing the incident image light along the final optical axis. Claim 8 is rejected under 35 U.S.C. 103 as being unpatentable over Shibuya-ku in view of Kohler (US 2022/0026174, hereinafter, “Kohler”). Regarding claim 8, Shibuya-ku discloses the method for manufacturing the prism block according to claim 7, wherein the holder 30 includes a plate-shaped portion (bottom portion of block 30) having the mounting surface (the top surface thereof), Fig. 4, the plate-shaped portion has a circular hole having a circular planar shape (Fig. 4). Shibuya-ku does not disclose the method comprising irradiating the prism with light via the circular hole, and causing the prism to reflect the light to form an image of the circular hole; and moving the prism in a direction perpendicular to the opening surface while bringing the prism into abutment with the mounting surface, until a position where the image is to be formed reaches a target position. Kohler discloses a sighting arrangement (Fig. 1) comprising two prisms 1, 2 inserted into a prism holder ([0027], [0031]). An illuminated mark 7 is illuminated into the prism assembly so that the mark is aligned so that the illuminated mark 7 is superimposed on the sight axis 4 ([0029]). Both Shibuya-ku and Kohler disclose optical assemblies including prisms for redirecting incident light. It would have been obvious to one of ordinary skill in the art at the time before the effective filing date of the present application to modify Shibuya-ku so that accurate positioning of the prism 40 into the holder 30 is achieved by using an illumination light emitted into the prism/holder assembly (via the hole of the bottom surface of the holder) so that a target image position is achieved (via moving the prism within the prism holder), as taught by Kohler, for achieving a precise alignment between the prism with the mounting surfaces of the prism holder. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to LEONIDAS BOUTSIKARIS whose telephone number is (703)756-4529. The Examiner can normally be reached Mon. - Fr. 9.00-5.00. 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, Stephone Allen, can be reached on 571-272-2434. 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. /L.B./ Patent Examiner, AU 2872 /STEPHONE B ALLEN/Supervisory Patent Examiner, Art Unit 2872
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Prosecution Timeline

Feb 20, 2024
Application Filed
Jan 14, 2026
Non-Final Rejection — §102, §103, §112 (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
87%
Grant Probability
99%
With Interview (+15.2%)
3y 3m
Median Time to Grant
Low
PTA Risk
Based on 106 resolved cases by this examiner. Grant probability derived from career allow rate.

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