Prosecution Insights
Last updated: April 19, 2026
Application No. 18/262,337

CHARGE TRANSFER COMPLEX

Non-Final OA §102
Filed
Jul 20, 2023
Examiner
SERGENT, RABON A
Art Unit
1765
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Adeka Corporation
OA Round
1 (Non-Final)
54%
Grant Probability
Moderate
1-2
OA Rounds
3y 5m
To Grant
79%
With Interview

Examiner Intelligence

Grants 54% of resolved cases
54%
Career Allow Rate
525 granted / 970 resolved
-10.9% vs TC avg
Strong +25% interview lift
Without
With
+24.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
53 currently pending
Career history
1023
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
52.8%
+12.8% vs TC avg
§102
8.0%
-32.0% vs TC avg
§112
19.5%
-20.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 970 resolved cases

Office Action

§102
Detailed Office Action Notice of Pre-AIA or AIA Status 1. The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Objections 2. Objection is made to claims 8, 13, and 14, because the superscripted “4” within the R4 variable within each formula cannot be clearly read. Prior Art Rejections 3. 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. 4. Claims 1-4, 9, 11, and 15-17 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Mahendiran et al. (Theoretical, photophysical and biological investigations of an organic charge transfer compound 2-aminobenzimidazolium-2-oxyisoindolate-1,3-dione-2-hydroxyisoindoline-1,3-dione). Mahendiran et al. disclose a charge transfer complex comprising N-hydroxyphthalimide and 2-aminobenzimidazole. See Section 2.3 and Figures 2 and 5. Given the imide and imidazole structures, applicants’ claimed characteristics of claims 1-3, are inherently met. Furthermore, regarding claims 9, 11, and 15-17, the preamble language fails to carry patentable weight and therefore fails to distinguish the claims from the reference. 5. Claims 1, 5-10, 12-14, and 18-20 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by JP 10-218859 A. JP 10-218859 A discloses N-(3-(1-imidazolylZ)propyl) trimellitlimide (see definition of X within English abstract and structures within page 2 of the reference), corresponding to the formula within claims 8, 13, and 14 and its use within epoxy resins. Given the imide and imidazole structures, applicants’ claimed characteristics of claims 1, 5, and 6, are inherently met. 6. Claims 1, 2, 9, and 15 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by JP 2008-208042 A. JP 2008-208042 A discloses a charge transfer complex formed of an electron accepting compound and an electron donating compound, which may be an imidazole. See abstract. Regarding claims 9 and 15, the preamble language fails to carry patentable weight and therefore fails to distinguish the claims from the reference. Conclusion 7. Any inquiry concerning this communication or earlier communications from the examiner should be directed to Rabon A Sergent whose telephone number is (571)272-1079. The examiner can normally be reached on Monday through Friday from 9:00 AM until 5:00 PM, ET. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Heidi Riviere Kelley, can be reached at telephone number 571-270-1831. 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 Patent Center. Status information for published applications may be obtained from Patent Center. Status information for unpublished applications is available through Patent Center to authorized users only. Should you have questions about access to the USPTO patent electronic filing system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). Examiner interviews are available via a variety of formats. See MPEP § 713.01. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) Form at https://www.uspto.gov/InterviewPractice. /RABON A SERGENT/Primary Examiner, Art Unit 1765
Read full office action

Prosecution Timeline

Jul 20, 2023
Application Filed
Jan 07, 2026
Non-Final Rejection — §102 (current)

Precedent Cases

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2y 5m to grant Granted Feb 10, 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
54%
Grant Probability
79%
With Interview (+24.8%)
3y 5m
Median Time to Grant
Low
PTA Risk
Based on 970 resolved cases by this examiner. Grant probability derived from career allow rate.

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