Prosecution Insights
Last updated: April 19, 2026
Application No. 18/223,935

ENDOSCOPE, ENDOSCOPE SYSTEM, AND METHOD OF MANUFACTURING ENDOSCOPE

Non-Final OA §103
Filed
Jul 19, 2023
Examiner
SHARPLESS, CHRISTEN ALICIA
Art Unit
3795
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Olympus Medical Systems Corp.
OA Round
1 (Non-Final)
48%
Grant Probability
Moderate
1-2
OA Rounds
3y 4m
To Grant
76%
With Interview

Examiner Intelligence

Grants 48% of resolved cases
48%
Career Allow Rate
49 granted / 103 resolved
-22.4% vs TC avg
Strong +29% interview lift
Without
With
+28.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 4m
Avg Prosecution
39 currently pending
Career history
142
Total Applications
across all art units

Statute-Specific Performance

§103
61.9%
+21.9% vs TC avg
§102
23.5%
-16.5% vs TC avg
§112
13.5%
-26.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 103 resolved cases

Office Action

§103
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 . Election/Restrictions Applicant’s election without traverse of Group I, Species C, readable on claims 1-11 in the reply filed on 12/22/2025 is acknowledged. Status of Claims Claims 1-21 are pending, claims 12-21 are withdrawn and claims 1-11 are currently under consideration for patentability under 37 CFR 1.104. Information Disclosure Statement The information disclosure statement (IDS) submitted on 07/19/2023, 08/28/2023 have been considered by the examiner. 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(s) 1, 2, 6, 7, 8, 10-11 is/are rejected under 35 U.S.C. 103 as being unpatentable over WO2020012538A1 to Tanaka and further in view of U.S. Publication No. 2009/0324185 to Shimotsu. Regarding clam 1, Tanaka discloses an endoscope comprising: a grip unit (4, Fig. 1, page 2); an insert unit (3, Fig. 1, page 2); a light source (1, Fig. 1, page 2); a light exit part provided in the insert unit (80, Fig. 1, page 2). Tanaka fails to expressly teach a first light guide; a second light guide; and an optical connector disposed in the grip unit, wherein the first light guide has a first entrance end located on the side of the light source and a first exit end located on the side of the optical connector, the second light guide has a second entrance end located on the side of the optical connector and a second exit end located on the side of the light exit part, and the light that goes out from the first exit end enters the second entrance end through the optical connector. However, Shimotsu teaches of an endoscope (10, Fig. 1, [0042]) including a first light guide (11, Fig.1, [0045]); a second light guide (11, Fig.1, [0045]); and an optical connector disposed in the grip unit (13, Fig. 1, [0045]), wherein the first light guide has a first entrance end (11, Fig.1, [0045]) located on the side of the light source (6, Fig. 1, [0047]) and a first exit end located on the side of the optical connector (13, Fig. 1, [0045]), the second light guide has a second entrance end located on the side of the optical connector (11, Fig.1, [0045]) and a second exit end located on the side of the light exit part (11, Fig. 1, [0045]), and the light that goes out from the first exit end enters the second entrance end through the optical connector (Fig. 1). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka to utilize a first and second light guide in the manner taught by Shimotsu. It would have been advantageous to make the combination for the purpose of providing light ([0042] of Shimotsu). Regarding claim 2, Tanaka, in view of Shimotsu, teaches an endoscope according to claim 1, and Tanaka further discloses wherein the light source is provided in the grip unit (Tanaka: 1, Fig. 1, page 2). Regarding claim 6, Tanaka, in view of Shimotsu, teaches an endoscope according to claim 1. Tanaka, in view of Shimotsu, fails to expressly teach further comprising a fixing member to fix the optical connector, wherein the optical connector is attached to and detached from the fixing member. However, Shimotsu further teaches further comprising a fixing member to fix the optical connector (Shimotsu: 16, Fig. 1, [0043]), wherein the optical connector is attached to and detached from the fixing member (Shimotsu: 13, Fig. 1, [0045] – the optical connector can be attached/detached during assembly). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu, to utilize a fixing member as taught by Shimotsu It would have been advantageous to make the combination for the purpose of providing light ([0042] of Shimotsu). Regarding claim 7, Tanaka, in view of Shimotsu, teaches an endoscope according to claim 1. Tanaka, in view of Shimotsu, fails to expressly teach further comprising a fixing structure to fix the optical connector. However, Shimotsu further teaches further comprising a fixing structure to fix the optical connector (Shimotsu:16, Fig. 1, [0043]). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu, to utilize a fixing structure as taught by Shimotsu It would have been advantageous to make the combination for the purpose of providing light ([0042] of Shimotsu). Regarding claim 8, Tanaka, in view of Shimotsu, teaches an endoscope according to claim 1. Tanaka, in view of Shimotsu, fails to expressly teach wherein a specific direction is defined as a direction perpendicular to the center axis of the first light guide when it is placed in a straight position, and the largest cross sectional area of the optical connector or a component of the optical connector in the specific direction is smaller than the cross sectional area of the interior of the insert unit in the specific direction. However, Shimotsu further teaches wherein a specific direction is defined as a direction perpendicular to the center axis of the first light guide when it is placed in a straight position, and the largest cross sectional area of the optical connector or a component of the optical connector in the specific direction is smaller than the cross sectional area of the interior of the insert unit in the specific direction (Shimotsu:13, Fig. 1, [0045]). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu, to utilize a specific direction as taught by Shimotsu It would have been advantageous to make the combination for the purpose of providing light ([0042] of Shimotsu). Regarding claim 10, Tanaka, in view of Shimotsu teaches an endoscope system comprising an endoscope (Tanaka: 9, Fig. 1, page 2) according to claim 1 and a processor (Tanaka: 5A, Fig. 1, page 2). Regarding claim 11, Tanaka, in view of Shimotsu teaches an endoscope according to claim 1, and Tanaka further discloses wherein the optical connector allows connection and separation (Tankaka: 13, Fig. 1, [0045] -the examiner notes that the optical connector can be connected/separated during assembly). Claim(s) 3, 4, 5 is/are rejected under 35 U.S.C. 103 as being unpatentable over WO2020012538A1 to Tanaka and further in view of U.S. Publication No. 2009/0324185 to Shimotsu and further in view of U.S. Publication No. 2020/0029790 to Amano et al. (hereinafter “Amano”). Regarding claim 3, Tanaka, in view of Shimotsu, teaches an endoscope according to claim 1, Tanaka, in view of Shimotsu, fails to expressly teach wherein the optical connector comprises:a first ferrule to hold the first exit end; a second ferrule to hold the second entrance end; and a sleeve in which the first and second ferrules are inserted. However, Amano teaches of an endoscope (Amano: 1, Fig. 1, [0039]) wherein the optical connector comprises: a first ferrule to hold the first exit end (Amano: 661, Fig. 1, [0058]); a second ferrule to hold the second entrance end (Amano: 662, Fig. 1, [0058]); and a sleeve in which the first and second ferrules are inserted (Amano: 663, Fig. 1, [0058]). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu, to utilize an optical connector in the manner taught by Amano. It would have been advantageous to make the combination for the purpose of optically connecting the components ([0058] of Amano). Regarding claim 4, Tanaka, in view of Shimotsu and Amano, teaches an endoscope according to claim 3. Tanaka, in view of Shimotsu and Amano, fails to expressly teach further comprising a holder to hold the sleeve However, Amano further teaches further comprising a holder to hold the sleeve (Amano: 634, Fig. 4, ([0074]). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu and Amano, to utilize a holder in the manner taught by Amano. It would have been advantageous to make the combination for the purpose of holding the optical connectors ([0074] of Amano). Regarding claim 5, Tanaka, in view of Shimotsu and Amano, teaches an endoscope according to claim 4. Tanaka, in view of Shimotsu and Amano, fails to expressly teach further comprising an optical connection module to guide the light emitted from the light source to the first end, wherein a specific direction is defined as a direction perpendicular to the center axis of the first light guide when it is placed in a straight position, and the largest cross sectional area of the holder in the specific direction is smaller than the smallest cross sectional area of the optical connection module in the specific direction. However, Amano further teaches further comprising an optical connection module to guide the light emitted from the light source to the first end (Amano: Fig. 4, Fig. 5), wherein a specific direction is defined as a direction perpendicular to the center axis of the first light guide when it is placed in a straight position (Amano: Fig. 4, Fig. 5), and the largest cross sectional area of the holder in the specific direction is smaller than the smallest cross sectional area of the optical connection module in the specific direction (Amano: Fig. 4, Fig. 5). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu and Amano, to utilize an optical connection module in the manner taught by Amano. It would have been advantageous to make the combination for the purpose of holding the optical connectors ([0074] of Amano). Claim(s) 9 is/are rejected under 35 U.S.C. 103 as being unpatentable over WO2020012538A1 to Tanaka and further in view of U.S. Publication No. 2009/0324185 to Shimotsu and further in view of U.S. Publication No. 2018/0100627 to Tamura et al. (hereinafter “Tamura”). Regarding claim 9, Tanaka, in view of Shimotsu, teaches an endoscope according to claim 1. Tanaka, in view of Shimotsu, fails to expressly teach further comprising a wavelength converter disposed between the second exit end and the light exit part that absorbs a portion of the light emitted from the light source and emits a light of a first converted wavelength. However, Tamura teaches of an endoscope (Tamura: 1, Fig. 1, [0027]) further comprising a wavelength converter disposed between the second exit end and the light exit part that absorbs a portion of the light emitted from the light source and emits a light of a first converted wavelength (Tamura: 100, Fig. 1, [0029]). Therefore, it would have been obvious for one of ordinary skill in the art before the effective filing date of the claimed invention to have modified the device of Tanaka, in view of Shimotsu, to utilize a wavelength converter in the manner as taught by Tamura. It would have been advantageous to make the combination for the purpose of converting light into a different wavelength ([0029] of Tamura). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CHRISTEN A. SHARPLESS whose telephone number is (571)272-2387. The examiner can normally be reached Monday-Tuesday 6:00 AM - 2:00 PM, and Friday 6:00 AM - 10:00 AM. 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, Mike Carey can be reached at (571) 270-7235. 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. /C.A.S./Examiner, Art Unit 3795 /MICHAEL J CAREY/Supervisory Patent Examiner, Art Unit 3795
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Prosecution Timeline

Jul 19, 2023
Application Filed
Jan 22, 2026
Non-Final Rejection — §103 (current)

Precedent Cases

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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
48%
Grant Probability
76%
With Interview (+28.9%)
3y 4m
Median Time to Grant
Low
PTA Risk
Based on 103 resolved cases by this examiner. Grant probability derived from career allow rate.

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