Prosecution Insights
Last updated: July 17, 2026
Application No. 17/776,380

METHOD FOR PREPARING A HYDROGEN TANK COMPRISING A SEALING LAYER AND A BASE

Final Rejection §103
Filed
May 12, 2022
Priority
Nov 14, 2019 — FR 1912707 +1 more
Examiner
UTECH, BENJAMIN L
Art Unit
1746
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Arkema France
OA Round
4 (Final)
100%
Grant Probability
Favorable
5-6
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 100% — above average
100%
Career Allowance Rate
31 granted / 31 resolved
+35.0% vs TC avg
Minimal +0% lift
Without
With
+0.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 7m
Avg Prosecution
21 currently pending
Career history
63
Total Applications
across all art units

Statute-Specific Performance

§103
82.0%
+42.0% vs TC avg
§102
3.3%
-36.7% vs TC avg
§112
13.1%
-26.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 31 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 . The text of those sections of Title 35, U.S. Code not included in this action can be found in a prior Office action. Claims 1-4, 10-13,20,22,25-27 are rejected under 35 U.S.C. 103 as being unpatentable over Hembert (US 4,925,044) in view of Reitlinger (EP 0 826 433). See the 10/1/25 rejection. Claims 21 and 23 are rejected under 35 U.S.C. 103 as being unpatentable over Hembert (US 4,925,044) in view of Lebrun (US 2016/0031152). See the 10/1/25 rejection. Claims 14-16 and 19 are rejected under 35 U.S.C. 103 as being unpatentable over Hembert (US 4,925,044) in view of Reitlinger (EP 0 826 433) and further in view of Strack (US 2011/0220660). See the 10/1/25 rejection. Claim 17 is rejected under 35 U.S.C. 103 as being unpatentable over Hembert (US 4,925,044) in view of Reitlinger (EP 0 826 433) and further in view of Fritzsche (EP 3096067). See the 10/1/25 rejection. Claim 24 is rejected under 35 U.S.C. 103 as being unpatentable over Hembert (US 4,925,044) in view of Reitlinger (EP 0 826 433) further in view of Blondel et al. (US 2014/0246096). See the 10/1/25 rejection. Applicants remarks of 1/29/26 have been considered but are not deemed persuasive. The argument is made that Reitlinger addresses a different problem than Hembert. In response, both Reitlinger and Hembert are discussing making tanks for gas or fluids under pressure. Both of Reitlinger and Hembert’s tanks may comprise metal. It seems reasonable to conclude that these references are combineable. Also in I. applicant argues the Reitlinger disclosure of preferably with a thickness of 0.5 – 1 mm. It is not clear how this point supports the conclusion that Reitlinger addresses a different problem than Hembert. The argument is made that Reitlinger teaches away from the proposed combination. Again, applicant discusses the Reitlinger disclosure of preferably with a thickness of 0.5 – 1 mm. In order to be persuasive, applicants would have to establish that the proposed modification of Hembert by Reitlinger would be contrary to the expressed teachings of Hembert. This has not been done because this section contains no discussion of Hembert’s thickness requirements, stated or unstated. THIS ACTION IS MADE FINAL. 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 BENJAMIN L UTECH whose telephone number is (571)272-1137. The examiner can normally be reached M-F. 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, Shawn Decenzo can be reached at (571)270-3227. 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. /BENJAMIN L UTECH/Primary Examiner, Art Unit 6212
Read full office action

Prosecution Timeline

Show 1 earlier event
Oct 16, 2024
Non-Final Rejection mailed — §103
Mar 17, 2025
Response Filed
May 22, 2025
Final Rejection mailed — §103
Sep 19, 2025
Request for Continued Examination
Sep 22, 2025
Response after Non-Final Action
Oct 01, 2025
Non-Final Rejection mailed — §103
Jan 29, 2026
Response Filed
May 12, 2026
Final Rejection mailed — §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

5-6
Expected OA Rounds
100%
Grant Probability
99%
With Interview (+0.0%)
3y 7m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 31 resolved cases by this examiner. Grant probability derived from career allowance rate.

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