Prosecution Insights
Last updated: October 02, 2026
Application No. 17/977,146

NEAR INFRARED (NIR) LIGHT CONTROLLED RUTHENIUM CATALYZED OLEFIN METATHESIS

Final Rejection §102
Filed
Oct 31, 2022
Priority
Oct 29, 2021 — provisional 63/273,503
Examiner
CHU, YONG LIANG
Art Unit
1738
Tech Center
1700 — Chemical & Materials Engineering
Assignee
The Trustees of Columbia University in the City of New York
OA Round
4 (Final)
75%
Grant Probability
Favorable
5-6
OA Rounds
0m
Est. Remaining
78%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allowance Rate
1086 granted / 1449 resolved
+9.9% vs TC avg
Minimal +3% lift
Without
With
+3.1%
Interview Lift
resolved cases with interview
Typical timeline
2y 4m
Avg Prosecution
56 currently pending
Career history
1482
Total Applications
across all art units

Statute-Specific Performance

§101
1.8%
-38.2% vs TC avg
§103
35.0%
-5.0% vs TC avg
§102
20.7%
-19.3% vs TC avg
§112
29.8%
-10.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1449 resolved cases

Office Action

§102
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Please Note: This case has been transferred to Examiner Yong Chu. Claim 8 has been amended. Claims 1-7 and 9-14 are cancelled. New claims 21-25 are added. Claims 8 and 15-25 are pending in the instant application. Claims 15-20 were withdrawn. Response to Amendments The Amendment by Applicants’ representative Mr. Gary Abelev on 08/27/2026 has been entered. Status of Claims New claims 21-22 and 24-25 are drawn to a composition of claim 8 or claim 21 and further defining the ruthenium catalyst comprises a compound represented by the Formula (I) PNG media_image1.png 250 156 media_image1.png Greyscale of claim 21, or the ruthenium catalyst comprises a compound represented by the Formula PNG media_image2.png 347 329 media_image2.png Greyscale of claim 22. Therefore, new claims 21-22 and 24-25 are drawn to different inventions from the invention of claim 8 under examination. Claims 21-22 and 24-25 require additional search and examination. Therefore, claims 21-22 and 24-25 are also withdrawn from further consideration. Claims 8 and 23 are under examination on the merits. Response to Arguments/Amendments Claim rejection under 35 U.S.C.§103(a) Applicants cancelled the rejected claims 1-2. The rejection of claims 1-2 is moot. In terms of the rejection of claims 8-10, because Applicants canceled claims 9 and 10 and amended claim 8, the rejection of claims 8-10 is moot. Non-status double patenting rejection Applicants cancelled the rejected claims 1-2. The rejection of claims 1-2 is moot. The following rejections are necessitated by the amendment filed on 08/27/2026: Claim Rejections - 35 USC § 102 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 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. 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 8 and 23 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Cerfontaine et al., Inorganic Chemistry, (2020), v.59, p.14536-14543. Applicants’ claim 8 is drawn to a composition for catalyzing formation of a carbon-carbon double bond, comprising: a ruthenium catalyst; and a photocatalyst that is activated by a deep red to near-infrared light, wherein the photocatalyst comprises PNG media_image3.png 203 363 media_image3.png Greyscale wherein R' is Ph. PNG media_image4.png 87 9 media_image4.png Greyscale Cerfontaine et al. (Figure 1 at p.14538) discloses the polynuclear complex 1 PNG media_image5.png 656 273 media_image5.png Greyscale , which comprises a ruthenium catalyst PNG media_image6.png 604 237 media_image6.png Greyscale and a photocatalyst PNG media_image7.png 284 385 media_image7.png Greyscale . Because Cerfontaine et al. discloses the same photocatalyst as the one of claim 8, the photocatalyst of Cerfontaine et al. inherently is also activated by a deep red to near-infrared light. In terms of the intend-to-use of the complex composition for catalyzing formation of a carbon-carbon double bond, [A] preamble simply stating the intended use or purpose of the invention will usually not limit the scope of the claim, unless the preamble provides antecedents for ensuring claim terms and limits the claim accordingly. Satisfaction of the claimed steps/elements necessarily results in satisfying the purpose of the invention or the intended use. Outdry Techs Corp. v. Geox S.P.A. 859 F.3d 1364, Fed. Cir. (2017). Therefore, Cerfontaine et al. anticipates claim 8. In terms of claim 23, wherein the deep red to near-infrared light has a wavelength of about 600 nm to about 800 nm, it is well-known that 600–660nm is deep/visible red light, and 800–850nm is near-infrared light). Therefore, Cerfontaine et al. anticipates claim 23. Conclusions Claims 8 and 23 are rejected. Claims 15-22 and 24-25 remain withdrawn. Applicants’ amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicants are 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 extension fee 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 date of this final action. Telephone Inquiry Any inquiry concerning this communication or earlier communications from the examiner should be directed to Yong L. Chu, whose telephone number is (571)272-5759. The examiner can normally be reached on M-F 8:30am-5:00pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Amber R. Orlando can be reached on 571-270-3149. The fax phone number for the organization where this application or proceeding is assigned is (571) 273-8300. /YONG L CHU/Primary Examiner, Art Unit 1731
Read full office action

Prosecution Timeline

Show 4 earlier events
Nov 20, 2025
Response Filed
Jan 27, 2026
Final Rejection mailed — §102
Apr 27, 2026
Response after Non-Final Action
May 13, 2026
Request for Continued Examination
May 15, 2026
Response after Non-Final Action
May 27, 2026
Non-Final Rejection mailed — §102
Aug 27, 2026
Response Filed
Sep 22, 2026
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

5-6
Expected OA Rounds
75%
Grant Probability
78%
With Interview (+3.1%)
2y 4m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 1449 resolved cases by this examiner. Grant probability derived from career allowance rate.

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