Prosecution Insights
Last updated: September 17, 2026
Application No. 17/995,356

FLUORESCENT DYES HAVING HIGH STOKES SHIFT, ON THE BASIS OF BRIDGED BENZOPYRYLIUM SALTS

Final Rejection §102§103
Filed
Oct 03, 2022
Priority
Apr 03, 2020 — DE 10 2020 109 362.4 +1 more
Examiner
ROGERS, JAMES WILLIAM
Art Unit
1618
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Dyomics GmbH
OA Round
4 (Final)
46%
Grant Probability
Moderate
5-6
OA Rounds
0m
Est. Remaining
68%
With Interview

Examiner Intelligence

Grants 46% of resolved cases
46%
Career Allowance Rate
418 granted / 904 resolved
-13.8% vs TC avg
Strong +22% interview lift
Without
With
+22.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 10m
Avg Prosecution
36 currently pending
Career history
958
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
42.8%
+2.8% vs TC avg
§102
22.1%
-17.9% vs TC avg
§112
23.9%
-16.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 904 resolved cases

Office Action

§102 §103
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 . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 3/4/2026 has been entered. 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 (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. 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. Claim(s) 1,3 and 9 is/are rejected under 35 U.S.C. 102a1 as being anticipated by Olekhnovich et al. “Acetals and Vinyl Ethers of Unsaturated Aldehydes and Ketones in the New Syntheses of Heterocyclic Compounds: XII.* New Alternatives of Acid Condensation of Cyclohexane-1,4-diones with Hydroxyarylaldehydes under Dehydration Conditions. Fluorecence Spectra of the Products**”, Russian Journal of Organic Chemistry, Vol. 37, No. 4, 2001, pp. 5273538, cited by applicants. The following rejection is based upon art which was found incidental to the search for the elected species. This is not indicative that the entire scope of the claims has been examined; however, the following art is being applied in an effort to promote compact prosecution of the case. Olekhnovich discloses compounds of the following formula: PNG media_image1.png 372 676 media_image1.png Greyscale , several compounds of intermediate B are within the scope of the claims, such as d) where R2=CH3, R3 =Br and all other groups are H, which reads on formula I when R7 is Br, R3 is alkoxy and all other R groups are H. See entire disclosure, especially abstract and scheme 1. Claim Rejections - 35 USC § 103 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. 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) 1-3,5 and 9 is/are rejected under 35 U.S.C. 103 as being unpatentable over "Xanthylium, 1,2-dihydro-3-hydroxy", STN, Database accession no. 206050-98-8; Registry, chemical Abstracts Service, Columbus, Ohio, (05/28/1998), 1 p, for the reasons set forth in the previous office action filed 1/9/2026. Claim(s) 1-3,5 and 9 is/are rejected under 35 U.S.C. 103 as being unpatentable over Xu et al, “A water-soluble fluorescent probe for the sensitive detection of endogenous alkaline phosphatase in living cells”, Dyes and Pigments, Volume 159, December 2018, Pages 584-589, for the reasons set forth in the previous office action filed 1/9/2026. Response to Arguments Applicant's arguments filed 3/4/2026 have been fully considered but they are not persuasive. Applicants assert the alkyl groups at R11 and R12 provides resilience to nucleophilic attack by steric shielding, conferring hydrolytic stability compared to hydrogen at these positions as the prior art STN and XU teach. Applicants point to photostability data for compounds featuring alkyl groups at R11 and R12. If applicants are attempting to establish criticality for the selection of alkyl groups over hydrogen their argument is insufficient for the purposes of a persuasive showing of an unexpected result. Applicants make no comparison using data to the compounds of STN and Xu using data. Applicants while discussing photostability of some compounds within the scope of the pending claims make no comparison to the closest prior art. An affidavit or declaration under 37 CFR 1.132 must compare the claimed subject matter with the closest prior art to be effective to rebut a prima facie case of obviousness. In re Burckel, 592 F.2d 1175, 201 USPQ 67 (CCPA 1979). “A comparison of the claimed invention with the disclosure of each cited reference to determine the number of claim limitations in common with each reference, bearing in mind the relative importance of particular limitations, will usually yield the closest single prior art reference.” In re Merchant, 575 F.2d 865, 868, 197 USPQ 785, 787 (CCPA 1978) (emphasis in original). Where the comparison is not identical with the reference disclosure, deviations therefrom should be explained, In re Finley, 174 F.2d 130, 81 USPQ 383 (CCPA 1949), and if not explained should be noted and evaluated, and if significant, explanation should be required. In re Armstrong, 280 F.2d 132, 126 USPQ 281 (CCPA 1960) (deviations from example were inconsequential. See MPEP 716.02(e). Thus this allegation of unexpected results appears to constitute mere argument by applicants counsel. See, for example, In re De Blauwe, 736 F.2d 699, 705, 222 USPQ 191, 196 (Fed. Cir. 1984) (“It is well settled that unexpected results must be established by factual evidence.” “[A]ppellants have not presented and experimental data showing that prior heat-shrinkable articles split. Due to the absence of tests comparing appellant’s heat shrinkable articles with those of the closest prior art, we conclude that appellant’s assertions of unexpected results constitute mere argument.”). See also In re Lindner, 457 F.2d 506, 508, 173 USPQ 356, 358 (CCPA 1972); Ex parte George, 21 USPQ2d 1058 (Bd. Pat. App. & Inter. 1991). The arguments of counsel cannot take the place of evidence in the record. In re Schulze, 346 F.2d 600, 602, 145 USPQ 716, 718 (CCPA 1965). Examples of attorney statements which are not evidence and which must be supported by an appropriate affidavit or declaration include statements regarding unexpected results, commercial success, solution of a long-felt need, inoperability of the prior art, invention before the date of the reference, and allegations that the author(s) of the prior art derived the disclosed subject matter from the applicant. See MPEP § 2145 generally for case law pertinent to the consideration of applicant’s rebuttal arguments. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JAMES W ROGERS whose telephone number is (571)272-7838. The examiner can normally be reached 9:30-6:00 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, Michael Hartley can be reached at 571-272-0616. 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. /JAMES W ROGERS/ Primary Examiner, Art Unit 1618
Read full office action

Prosecution Timeline

Show 2 earlier events
Nov 24, 2025
Response Filed
Jan 09, 2026
Final Rejection mailed — §102, §103
Mar 04, 2026
Response after Non-Final Action
Apr 06, 2026
Request for Continued Examination
Apr 07, 2026
Response after Non-Final Action
May 12, 2026
Non-Final Rejection mailed — §102, §103
Jul 09, 2026
Response Filed
Sep 14, 2026
Final Rejection mailed — §102, §103 (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
46%
Grant Probability
68%
With Interview (+22.3%)
3y 10m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 904 resolved cases by this examiner. Grant probability derived from career allowance rate.

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