Prosecution Insights
Last updated: October 02, 2026
Application No. 18/782,719

GLASS-BASED ARTICLES WITH IMPROVED FRACTURE RESISTANCE

Non-Final OA §DOUBLEPATENT
Filed
Jul 24, 2024
Priority
Sep 11, 2018 — provisional 62/729,735 +3 more
Examiner
SAMPLE, DAVID R
Art Unit
1784
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Corning Incorporated
OA Round
2 (Non-Final)
80%
Grant Probability
Favorable
2-3
OA Rounds
7m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allowance Rate
532 granted / 666 resolved
+14.9% vs TC avg
Moderate +10% lift
Without
With
+10.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
21 currently pending
Career history
688
Total Applications
across all art units

Statute-Specific Performance

§101
1.0%
-39.0% vs TC avg
§103
41.6%
+1.6% vs TC avg
§102
23.9%
-16.1% vs TC avg
§112
20.8%
-19.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 666 resolved cases

Office Action

§DOUBLEPATENT
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 . Introduction Any rejections and/or objections, made in the previous Office Action, and not repeated below, are hereby withdrawn. The text of those sections of Title 35, U.S. Code not included in this action can be found in a prior Office action. Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 1-8, 11-13, 15-16 and 18-20 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims of U.S. Patent No. 12,459,855 B2. Although the claims at issue are not identical, they are not patentably distinct from each other. Claims 1 and 10 of the ‘855 patent completely encompass all of the limitations of claims 1-7 including an overlapping range of tensile stress factor KT. Overlapping ranges have been held to establish prima facie obviousness. See MPEP 2144.05. The limitations of claim 8 can be found in claim 15 of the ‘855 application. The limitations of claim 11 can be found in claim 1 of the ‘855 application. The limitations of claim 12 can be found in claim 6 of the ‘855 application. The limitations of claim 13 are not taught by the claims of the ‘855 application. However, it has been held to have been obvious to one of ordinary skill in the art to have changed the size (i.e., thickness) of a prior art product. See MPEP 2144.04 IV. The limitations of claim 15 can be found in claim 17 of the ‘855 patent. Claims 1 and 10 of the ‘855 patent completely encompass all of the limitations of claims 16 and 18-20 including a glass-based article having an overlapping range of the tensile stress factor KT. Overlapping ranges have been held to establish prima facie obviousness. See MPEP 2144.05. Claim 1 of the ‘855 patent teaches a glass-based article and does not specifically describe a glass ceramic article as recited in claim 16. However, it would have been obvious to one of ordinary skill in the art to have formed the glass-based article of the ‘855 patent into a glass ceramic because glass ceramics are known to one of ordinary skill in art to be included in the phrase of glass-based article. See MPEP 804 II.B.1 and the specification of the ‘855 patent at col. 7, lines 22-25. Allowable Subject Matter Claims 9, 14 and 17 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. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to David Sample whose telephone number is (571)272-1376. The examiner can normally be reached Monday to Friday 7AM to 3:30 PM. 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, Humera Sheikh can be reached at (571)272-0604. 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. /David Sample/Primary Examiner, Art Unit 1784
Read full office action

Prosecution Timeline

Jul 24, 2024
Application Filed
Jun 23, 2026
Non-Final Rejection mailed — §DOUBLEPATENT
Jul 02, 2026
Response Filed
Aug 06, 2026
Examiner Interview (Telephonic)
Aug 19, 2026
Non-Final Rejection mailed — §DOUBLEPATENT (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12741903
COVER GLASS WITH AN ANOMALOUS STRESS PROFILE, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF
3y 9m to grant Granted Sep 22, 2026
Patent 12742049
PHOTOCATALYTIC FILM AND DISPLAY DEVICE
3y 2m to grant Granted Sep 22, 2026
Patent 12724463
WINDOW AND DISPLAY DEVICE INCLUDING THE SAME
2y 11m to grant Granted Sep 01, 2026
Patent 12715768
ScAlN LAMINATE AND MANUFACTURING METHOD THEREOF
2y 9m to grant Granted Aug 25, 2026
Patent 12709087
SLIDING LAMINATED GLAZED UNIT WITH INTERIOR OFFSET AND METHOD FOR MANUFACTURING SAID GLAZED UNIT
3y 0m to grant Granted Aug 18, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

2-3
Expected OA Rounds
80%
Grant Probability
90%
With Interview (+10.2%)
2y 9m (~7m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 666 resolved cases by this examiner. Grant probability derived from career allowance rate.

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