Prosecution Insights
Last updated: August 15, 2026
Application No. 18/271,787

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE, HOT PRESS FORMED PARTS, AND MANUFACTURING METHODS THEREOF

Final Rejection §103
Filed
Jul 11, 2023
Priority
May 21, 2021 — RE 10-2021-0065296 +1 more
Examiner
YANG, JIE
Art Unit
1734
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Posco
OA Round
2 (Final)
62%
Grant Probability
Moderate
3-4
OA Rounds
4m
Est. Remaining
82%
With Interview

Examiner Intelligence

Grants 62% of resolved cases
62%
Career Allowance Rate
777 granted / 1249 resolved
-2.8% vs TC avg
Strong +19% interview lift
Without
With
+19.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
59 currently pending
Career history
1306
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
54.1%
+14.1% vs TC avg
§102
12.5%
-27.5% vs TC avg
§112
16.1%
-23.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1249 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 . DETAILED ACTION Claim 3 and 7-11 have been cancelled; Claim 1 has been amended; Claims 4-6 and 12-13 are withdrawn as non-elected claims. Claims 1-2 remain for Examination, wherein claim 1 is an independent claim. Previous Claim Objections/Rejections Previous rejection of claim 1 under 35 U.S.C. 102 (a)(1) as being anticipated by Tabata (US-PG-pub 2021/0355560, thereafter PG’560) has been withdrawn in view of the Applicant’s “Arguments/remarks with amendments” filed on 6/4/2026. Previous rejection of claim 2 under 35 U.S.C. 103 as being unpatentable over PG’560 has been withdrawn in view of the Applicant’s “Arguments/remarks with amendments” filed on 6/4/2026. Previous rejection of claim 3 under 35 U.S.C. 102 (a)(1) as being anticipated by Tabata (US-PG-pub 2021/0355560, thereafter PG’560) has been withdrawn since this claim has been cancelled in view of the Applicant’s “Arguments/remarks with amendments” filed on 6/4/2026. However, in view of the Applicant’s “Arguments/remarks with amendments” filed on 6/4/2026, newly recorded reference(S), and reconsideration, a new ground rejection has been listed as following: 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. Claim(s) 1-2 is/are rejected under 35 U.S.C. 103 as being unpatentable over Tabata (US-PG-pub 2021/0355560, US 11,427,882 B2, thereafter PG’560) in view of Kim et al (US-PG-pub 2020/0190620 A1, updated as US 11,198,272 B2, thereafter PG’620). Regarding claim 1, PG’560 teaches a coated steel member and coated steel sheet excellent in hydrogen embrittlement resistance in a corrosive environment for hot press (abstract and par.[0183] of PG’560), which reads on the claimed plated steel sheet for hot press as claimed in the instant claim. PG’560 teaches the Al-based coating with 0-1.0 mass% Ni (par.[0131] of PG’560). PG’560 provides working example #D17 in table 10-2 having 0.1 mass% Ni in the Al-based coating, which is within the claimed Ni range of 0.05-0.35 wt% as claimed in the instant claim. PG’560 teaches an Al-based alloy coated steel sheet (abstract, par.[0077] and [0183] of PG’560). But PG’560 does not specify concentration gradient Al based plating layer as claimed in the instant claim. however, applying a Al-based plating layer comprising an Al-rich layer and a concentration gradient layer is a well-known technique as demonstrated by PG’620. PG’620 teaches a steel sheet for a hot press formed member having excellent coating adhesion (Abstract and examples of PG’620). PG’620 teaches a concentration gradient in the Al alloy plated layer (abstract, claims, examples, par.[0013] and [0038] of PG’620), which reads on the claimed Al rich plating layer and the concentration gradient layer as claimed in the instant claim. Therefore, it would have been obvious to one of ordinary skill in the art at the time the invention was made to form Al rich plating layer and the concentration gradient layer as demonstrated by PG’620 for the Al-based alloy coated steel sheet of PG’560 in order to obtain a steel sheet for a hot press formed member having excellent coating adhesion (Abstract and examples of PG’620). Regarding claim 2, The comparison between the claimed alloy composition ranges and the example #A18 in table 1 of PG’560 has been listed in following table. All of the essential alloy composition ranges disclosed in the example #A18 in table 1 of PG’560 are within the claimed alloy composition ranges. It is noted the Ti range disclosed in the example #A18 in table 1 of PG’560 is outside the claimed Ti range. However, PG’560 teaches adjusting the Ti in range of 0.010-0.100 mass% (par.[0077]), which overlaps the claimed Ti range. Overlapping Ti range creates a prima facie case of obviousness. MPEP 2144 05 I. Therefore, it would have been obvious to one of ordinary skill in the art at the time the invention was made to optimize the Ti amount as claimed from the disclosure of PG’560 since PG’560 teaches the same Al-based coated steel sheet as claimed throughout whole disclosing range. Element From instant Claim 2 (mass %) #A18 in table 1 of PG’560 (mass %) Within range (mass %) C 0.07-0.5 0.33 0.33 Si 0.05-1 0.39 0.39 Mn 0.5-4 0.65 0.65 P 0.001-0.015 0.012 0.012 S 0.0001-0.02 0.0008 0.0008 Al 0.01-0.1 0.05 0.05 Cr 0.01-1 0.7 0.7 N 0.0010.02 0.004 0.004 Ti 0.01 or less 0.040 Adjusting range: 0.010-0.100 (par.[0077]) -- Overlap at 0.01 B 0.01 or less 0.0025 0.0025 Fe Balance + impurities Balance + impurities Balance + impurities Response to Arguments Applicant’s arguments to the art rejection to Claims 1-2 have been considered but they are not persuasive. Regarding the amended features as claimed in the instant claims, the Examiner’s position has been stated above. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). 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 JIE YANG whose telephone number is (571)270-1884. The examiner can normally be reached on IFP. 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, Jonathan J Johnson can be reached on 571-272-1177. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /JIE YANG/Primary Examiner, Art Unit 1734
Read full office action

Prosecution Timeline

Jul 11, 2023
Application Filed
Mar 06, 2026
Non-Final Rejection mailed — §103
Jun 04, 2026
Response Filed
Jun 11, 2026
Final Rejection mailed — §103 (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

3-4
Expected OA Rounds
62%
Grant Probability
82%
With Interview (+19.4%)
3y 5m (~4m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1249 resolved cases by this examiner. Grant probability derived from career allowance rate.

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