Prosecution Insights
Last updated: October 04, 2026
Application No. 17/868,214

BINUCLEAR GOLD(I) COMPOUNDS FOR PHOTOCATALYSIS APPLICATIONS

Non-Final OA §102
Filed
Jul 19, 2022
Priority
Jul 19, 2021 — provisional 63/223,468
Examiner
PIRO, NICHOLAS ANTHONY
Art Unit
1738
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Laboratory For Synthetic Chemistry And Chemical Biology Limited
OA Round
3 (Non-Final)
46%
Grant Probability
Moderate
3-4
OA Rounds
0m
Est. Remaining
82%
With Interview

Examiner Intelligence

Grants 46% of resolved cases
46%
Career Allowance Rate
17 granted / 37 resolved
-19.1% vs TC avg
Strong +36% interview lift
Without
With
+35.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
65 currently pending
Career history
107
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
48.7%
+8.7% vs TC avg
§102
14.2%
-25.8% vs TC avg
§112
22.1%
-17.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 37 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 . In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. Status of Claims Claims 1-8 and 11-17 are currently under examination. Claims 9-10 and 18-20 are withdrawn from consideration. Claims 1 and 12 are amended. Previous Grounds of Rejection In the light of the amendments, the rejection under 35 U.S.C. 102(a)(1) as being anticipated by Che et al. (J. Chem. Soc., Dalton Trans., 1990, 3215, applicants submitted in IDS) with respect to claims 1-8, 11 and 13-17 is withdrawn. Based on the Examiner's indication of allowable subject matter in claim 10, Applicant has amended claim 12 in independent form thereby obviating Che et al. However a modified survey of the prior art produced a new reference deemed to represent an obstacle to the patentability of at least one compound recited in claim 12. See detail discussion below. It is sincerely regretted that Applicant had not been afforded the opportunity to confront this reference previously. New grounds of rejections are set forth below. New Grounds of Rejections 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 1-8 and 11-17 are rejected as being anticipated by Ikeda et al. (JP 2008-74905 A). Regarding claim 1, Ikeda et al. teach gold complex having the structure as shown below (page 11) which corresponds to the instant claimed gold (I) complex having the formula I, wherein X1-X4=P, Cy1-Cy8=p-CF3-Ph, L1-L2=CH2, m=2, n=2, A’=Cl, R1-R8=CF3, n1-8=1, Z1, Z2 and Z3 are absent: PNG media_image1.png 160 202 media_image1.png Greyscale Regarding claims 2-8, 11 as discussed above, the gold complex taught by Ikeda et al. corresponds to the instant claimed gold (I) complex wherein X1-X4=P, Cy1-Cy8=p-CF3-Ph, L1-L2=CH2, m=2, n=2, A’=Cl, R1-R8=CF3, n1-8=1, Z1, Z2 and Z3 are absent. Regarding claim 12, the gold complex taught by Ikeda et al. has the structure as shown above which corresponds to the instant claimed compound 2a Regarding claims 13-17, since the combined reference of Che et al. teach the instant claimed gold(I) complex, the physical properties of the gold(I) complex (i.e. absorbs light at a wavelength of up to 520 nm, extinction coefficient, a radiative decay rate, diffusion-corrected bimolecular quenching rate constant, a reduction potential, etc.) would necessarily follow as set forth in MPEP 2112.01(II).[1] Allowable Subject Matter The elected species 4a is allowable. The prior art search is extended to the extent necessary to determine patentability of the formula as discussed above. In this case, the Examiner searched the elected species having the formula 4a of claim 12.There was no prior art discovered on the particular gold(I) complex as per applicant elected species. Therefore, the search of the species has been extended to the non-elected elected compound 2a as discussed above. Response to Arguments With regards to the previous Grounds of Rejection Applicant's arguments filed on 4/17/2026 have been considered but are moot in view of the new ground(s) of rejection. 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 YUN QIAN whose telephone number is (571)270-5834. The examiner can normally be reached Monday-Thursday 10:00am-4:00pm. 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, Sally A Merkling can be reached at 571-272-6297. 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. YUN . QIAN Examiner Art Unit 1732 /YUN QIAN/Primary Examiner, Art Unit 1738 [1][1] “Products of identical chemical composition cannot have mutually exclusive properties.” A chemical composition and its properties are inseparable. Therefore, if the prior art teaches the identical chemical structure, the properties applicant discloses and/or claims are necessarily present. In re Spada, 911 F.2d 705, 709, 15 USPQ2d 1655, 1658 (Fed. Cir. 1990).
Read full office action

Prosecution Timeline

Jul 19, 2022
Application Filed
Oct 15, 2025
Examiner Interview (Telephonic)
Oct 17, 2025
Non-Final Rejection mailed — §102
Apr 17, 2026
Response Filed
May 21, 2026
Final Rejection mailed — §102
Aug 28, 2026
Request for Continued Examination
Sep 01, 2026
Response after Non-Final Action
Oct 01, 2026
Non-Final Rejection mailed — §102 (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
46%
Grant Probability
82%
With Interview (+35.9%)
3y 5m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 37 resolved cases by this examiner. Grant probability derived from career allowance rate.

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