Prosecution Insights
Last updated: April 19, 2026
Application No. 18/368,305

RIBBON FIBER WINDOW STRIPPING AND HIGH DENSITY HERMATIC CEROCAST

Non-Final OA §103§112
Filed
Sep 14, 2023
Examiner
SENGUPTA, SONYA MAZUMDAR
Art Unit
1745
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Alliance Fiber Optic Products Inc.
OA Round
1 (Non-Final)
68%
Grant Probability
Favorable
1-2
OA Rounds
3y 2m
To Grant
88%
With Interview

Examiner Intelligence

Grants 68% — above average
68%
Career Allow Rate
483 granted / 708 resolved
+3.2% vs TC avg
Strong +20% interview lift
Without
With
+20.1%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
16 currently pending
Career history
724
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
46.5%
+6.5% vs TC avg
§102
27.2%
-12.8% vs TC avg
§112
20.9%
-19.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 708 resolved cases

Office Action

§103 §112
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 claims 1-10 in the reply filed on 12/19/2025 is acknowledged. 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. Claim 10 is 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. Claim 10 recites the limitation "the pressurized material" in line 1. There is insufficient antecedent basis for this limitation in the claim. 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. Claims 1-4 are rejected under 35 U.S.C. 103 as being unpatentable over Roll et al. (US 5,481,638) in view of Vetrano et al. (US 6,607,608). With respect to claim 1, Roll et al. teach a method for window stripping ribbonized optical fibers comprising (Figure 5): applying a tensile force to the ribbonized optical fibers (column 2, line 64-column 3, line 2); stripping the coating from a portion of the ribbonized optical fibers using a plurality of blades resulting in a portion of the ribbonized optical fibers comprising bare optical fibers (column 2, lines 30-31), wherein the plurality of blades do not contact the bare optical fibers (column 2, lines 65-66). Roll et al. do not teach applying heated air flow to the ribbonized optical fibers, such that a coating of the ribbonized optical fibers softens from the ribbonized optical fibers. However, it would have been obvious to one of ordinary skill in the art, such as Vetrano et al., teach doing so to use heat to remove a coating on the fibers. (abstract; column 2, lines 6-13). With respect to claim 2, it would have been obvious to optimize the dimensions of the blades, fibers, and coating. “Generally, differences in concentration or temperature will not support the patentability of subject matter encompassed by the prior art unless there is evidence indicating such concentration or temperature is critical. “[W]here the general conditions of a claim are disclosed in the prior art, it is not inventive to discover the optimum or workable ranges by routine experimentation.” In re Aller, 220 F.2d 454, 456, 105 USPQ 233, 235 (CCPA 1955)” (MPEP § 2144.05 IIA). With respect to claim 3, it would have been obvious to position the fibers in a horizontal orientation during stripping the coating in the case stripping does not leave the fibers in a cluttered or vertical form. With respect to claim 4, Roll et al. teach wet cleaning of the bare optical fibers to remove residues of the coating (column 3, line 16; Fig. 5). Allowable Subject Matter Claims 5-9 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Claim 10 would be allowable if rewritten to overcome the rejection under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to SONYA M SENGUPTA whose telephone number is (571)272-6019. The examiner can normally be reached Monday-Friday, 9:30am-5:00pm. 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, Philip Tucker can be reached at 571-272-1098. 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. /SONYA M SENGUPTA/Primary Examiner, Art Unit 1745
Read full office action

Prosecution Timeline

Sep 14, 2023
Application Filed
Jan 12, 2026
Non-Final Rejection — §103, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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WAFER TRANSFER METHOD AND WAFER TRANSFER APPARATUS
2y 5m to grant Granted Apr 14, 2026
Patent 12595089
PEELING AND STICKING METHOD AND PROGRAM
2y 5m to grant Granted Apr 07, 2026
Patent 12589530
VEHICLE INTERIOR PANEL WITH NON-UNIFORM HARDNESS
2y 5m to grant Granted Mar 31, 2026
Patent 12589904
LABEL WRAPPING DEVICE INCLUDING INSERTION PART AND WRAPPING PART TO WRAP LABEL AROUND ADHEREND INSERTED IN INSERTION PART
2y 5m to grant Granted Mar 31, 2026
Patent 12590227
ADHESIVE PAPER AND ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS CONTAINING SUCH ADHESIVE PAPER
2y 5m to grant Granted Mar 31, 2026
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
68%
Grant Probability
88%
With Interview (+20.1%)
3y 2m
Median Time to Grant
Low
PTA Risk
Based on 708 resolved cases by this examiner. Grant probability derived from career allow rate.

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