Prosecution Insights
Last updated: May 29, 2026
Application No. 18/274,683

WHITE TOP KRAFTLINER PAPER, PRODUCTION PROCESS OF SAID PAPER, USE OF PAPER AND PACKAGING

Non-Final OA §103§DOUBLEPATENT
Filed
Jul 27, 2023
Priority
Jan 27, 2021 — BR 10 2021 001514.4 +1 more
Examiner
MINSKEY, JACOB T
Art Unit
1748
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Klabin S A
OA Round
2 (Non-Final)
69%
Grant Probability
Favorable
2-3
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 69% — above average
69%
Career Allowance Rate
559 granted / 812 resolved
+3.8% vs TC avg
Strong +33% interview lift
Without
With
+33.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
46 currently pending
Career history
862
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
69.1%
+29.1% vs TC avg
§102
3.0%
-37.0% vs TC avg
§112
1.7%
-38.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 812 resolved cases

Office Action

§103 §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 . Response to Arguments Applicant’s arguments with respect to the claims have been considered but are moot because the new ground of rejection does not rely on any reference applied in the prior rejection of record for any teaching or matter specifically challenged in the argument. The amendments for clarification of the layers overcome the previously applied 112 rejections as well. 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. Claim(s) 1, 8, and 12-14 are rejected under 35 U.S.C. 103 as being unpatentable over Da Silva, WO 2019/126848 (utilizing US Patent Publication 2020/0370243 as an English language equivalent as part of the same PCT file) in view of Heijnesson-Hulten et al, US Patent Publication 2011/0088860. Regarding claims 1 and 12, Da Silva teaches a Kraftliner type paper (see title) in 1-3 layers of construction (see abstract and claim 6) made up of 100% short eucalyptus chemical fibers (see abstract) with a starch additive of 0-30 Kg starch per ton of paper (see abstract) on one or both sides of the paper [0049]. Da Silva teaches everything except for the production of a White top Kraftliner were the outer layers is formed from a bleached short chemical fiber, instead leaving it as a unbleached to form a brown Kraftliner. There is no teaching away form bleached fibers, only a lack of a teaching of making a white Kraftliner. In the same field of endeavor of making “cellulose products”, Heijnesson-Hulten teaches that a “cellulose product” can be a Kraftliner that is fully bleached, fully unbleached, or a White Top Liner made up of an unbleached back layer with a bleached chemical pulp [0009]. This is a clear teaching that Brown Kraftliners, White Top Kraftliners, and fully White Kraftliners are all functional equivalents in the eyes of the average artisan. They are obvious variants of each other and it would have bene obvious to one of ordinary skill in the art at the time of the invention to replace a Brown Kraftliner with a White Top Kraftliner as a simply substitution of one functional equivalent for another. Regarding claims 8 and 14, Da Silva and Heijnesson-Hulten remains as applied above and Da Silva further teaches that the grammage is 100-300 g/m2 [0045]. Regarding claim 13, Da Silva and Heijnesson-Hulten remains as applied and Heijnesson-Hulten further teaches the use of micro fibrillated cellulose as the additive as another option to starch [0011-0015]. 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, and 12-14 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 10-12 of copending Application No. 18/929,338 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because the ‘338 application is a method for making a brown kraftliner, but follows all of the same physical requirements of the product claims of the instant application. The only difference is the difference between a brown kraftliner and a white top kraftliner, which as stated above would have been obvious to one of ordinary skill int eh art in view of the Heijnesson-Hulten reference. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. 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 JACOB T MINSKEY whose telephone number is (571)270-7003. The examiner can normally be reached M-F 8-6 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, Abbas Rashid can be reached at 5712707475. 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. JACOB T. MINSKEY Examiner Art Unit 1741 /JACOB T MINSKEY/Primary Examiner, Art Unit 1748
Read full office action

Prosecution Timeline

Jul 27, 2023
Application Filed
Sep 19, 2025
Non-Final Rejection mailed — §103, §DOUBLEPATENT
Dec 18, 2025
Response Filed
Jan 30, 2026
Final Rejection mailed — §103, §DOUBLEPATENT
Apr 30, 2026
Response after Non-Final Action
May 26, 2026
Request for Continued Examination
May 28, 2026
Response after Non-Final Action

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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
69%
Grant Probability
99%
With Interview (+33.4%)
2y 10m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 812 resolved cases by this examiner. Grant probability derived from career allowance rate.

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