Prosecution Insights
Last updated: October 25, 2026
Application No. 19/108,321

CELLULOSE NANOFIBER, AND AQUEOUS DISPERSION COMPOSITION CONTAINING SAME

Non-Final OA §102
Filed
Mar 03, 2025
Priority
Sep 27, 2022 — JP 2022-153302 +1 more
Examiner
THOMPSON, CAMIE S
Art Unit
1786
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Nippon Paper Industries Co., Ltd.
OA Round
1 (Non-Final)
74%
Grant Probability
Favorable
1-2
OA Rounds
1y 9m
Est. Remaining
84%
With Interview

Examiner Intelligence

Grants 74% — above average
74%
Career Allowance Rate
1002 granted / 1360 resolved
+8.7% vs TC avg
Moderate +10% lift
Without
With
+10.5%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
57 currently pending
Career history
1423
Total Applications
across all art units

Statute-Specific Performance

§101
1.1%
-38.9% vs TC avg
§103
42.9%
+2.9% vs TC avg
§102
27.4%
-12.6% vs TC avg
§112
19.6%
-20.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1360 resolved cases

Office Action

§102
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 . Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claims 1-5 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Nakatani et al., WO 2022-191190. Regarding claims 1-2, Nakatani discloses cellulose nanofiber [0001]. Paragraph 0009 discloses that the cellulose nanofibers have an average fiber diameter ranging from 3 nm to 500 nm. Additionally, paragraph 0009 discloses that the cellulose nanofibers have an aspect ratio of 30. Paragraph 0014 discloses a total amount of carboxyl groups of 0.4 to 3.0 mmol/g, which is encompassed within Applicant’s claimed range. Regarding claims 3 and 5, paragraph 0027 discloses a method for preparing an aqueous dispersion containing the cellulose nanofiber [0029]. Regarding claim 4, paragraphs 0001-0002 discloses that the cellulose nanofibers can be used as a coating [film]. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CAMIE S THOMPSON whose telephone number is (571)272-1530. The examiner can normally be reached 8:30 am - 5:30 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, Jennifer Boyd, can be reached at 571-272-7783. 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. /CAMIE S THOMPSON/Primary Examiner, Art Unit 1786
Read full office action

Prosecution Timeline

Mar 03, 2025
Application Filed
Aug 11, 2026
Non-Final Rejection mailed — §102
Oct 07, 2026
Examiner Interview Summary
Oct 07, 2026
Applicant Interview (Telephonic)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12760150
CROSS-LINKED POLYMERIC MATERIALS, METHODS OF THEIR PREPARATION AND USES THEREOF
4y 2m to grant Granted Oct 13, 2026
Patent 12759260
CARBON FIBER-REINFORCED PLASTIC AND PRODUCTION METHOD THEREFOR
3y 2m to grant Granted Oct 13, 2026
Patent 12757973
SHOE, IN PARTICULAR SPORTS SHOE, AND METHOD FOR MANUFACTURING SUCH A SHOE
2y 1m to grant Granted Oct 13, 2026
Patent 12751510
Multimodal Metallization Systems for Thermoregulation and Methods Thereof
3y 11m to grant Granted Oct 06, 2026
Patent 12747325
COMPOSITE MATERIAL
3y 4m to grant Granted Sep 29, 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
74%
Grant Probability
84%
With Interview (+10.5%)
3y 5m (~1y 9m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1360 resolved cases by this examiner. Grant probability derived from career allowance rate.

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