Prosecution Insights
Last updated: October 01, 2026
Application No. 18/468,633

SUPRAMOLECULAR POLYMER THERAPEUTICS AND DIAGNOSTICS

Final Rejection §112§DP
Filed
Sep 15, 2023
Priority
Sep 15, 2022 — provisional 63/407,106
Examiner
ESSEX, LAURA ANN
Art Unit
1675
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
The Regents of the University of California
OA Round
2 (Final)
60%
Grant Probability
Moderate
3-4
OA Rounds
6m
Est. Remaining
96%
With Interview

Examiner Intelligence

Grants 60% of resolved cases
60%
Career Allowance Rate
69 granted / 114 resolved
+0.5% vs TC avg
Strong +35% interview lift
Without
With
+35.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 7m
Avg Prosecution
27 currently pending
Career history
149
Total Applications
across all art units

Statute-Specific Performance

§101
3.0%
-37.0% vs TC avg
§103
34.5%
-5.5% vs TC avg
§102
13.0%
-27.0% vs TC avg
§112
33.8%
-6.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 114 resolved cases

Office Action

§112 §DP
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 . DETAILED ACTION The amendments filed on 5/27/2026 which claims 1, 6, 8, 10, 15, and 19-20 were amended is acknowledged. Claims 1-20 are pending in the instant application. Priority This application claims priority to the provisional application 63407106 filed on 9/15/2022. Withdrawn Rejections The rejection of claim 20 under § 112(b) is withdrawn in light of the amendments; the claim no longer refers to a table. Claim Suggestions Usage of the chemical number (as opposed to the chemical name) could be used to add substantial clarity to claims 10-13. These claims were not subject to the prolix rejection because they were reasonable in length, so this is merely a suggestion to create consistency. More preferably, these claims would include a depiction of the claimed chemical structure. Objections Claim 19 contains a superfluous “or”. Please replace “or a pharmaceutically acceptable salt or a hydrate or a solvate thereof” with “or a pharmaceutically acceptable salt, hydrate, or solvate thereof”. Claim 20 lacks a conjunction between the last two list items. Claim Rejections – 35 USC § 112(b) The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claim 20 is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 20 Claim 20 is drawn to 18 pages of chemical names that cannot be meaningfully compared to the list of 821 chemicals provided in Fig 6 due to its excessive length, OCR errors, and absence of a delineated structure [e.g. a list beginning with (1)]. MPEP § 2173.05(m) recites “Claims are rejected as prolix when they contain long recitations that the metes and bounds of the claimed subject matter cannot be determined.” Claim 20 is thus rejected as prolix for being unreasonable for a person of skill in the art to reasonably pick out a given chemical name from the concatenated block of text. Because applicant already possesses the list of 821 compounds alongside their chemical structure in Fig 6 wherein each are assigned a unique number, to overcome this rejection, applicant should replace this claim with the language: “A compound selected from the group consisting of compounds 1-821 and any salt, hydrate, or solvate thereof.” Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. 18/468657 Claims 1-10, 12, 14, and 20 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-20 of copending Application No. 18/468657 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other as described in the claim-by-claim analysis below. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Regarding instant claim 1, the reference claims the identical oxazolyl structure (claim 7). Regarding instant claim 2, the reference claims the identical oxazolyl structure (claim 8). Regarding instant claim 3, the reference claims the identical naphthyridinone and dihydronaphthyridinone structures for variable T (claim 9). Regarding instant claim 4, the reference claims the identical naphthyridinone (claim 10). Regarding instant claim 5, the reference claims the identical variables for X (claim 11). Regarding instant claim 6, the reference claims the identical variables for X (claim 12). Regarding instant claim 7, the reference claims the identical variables for Z (claim 13). Regarding instant claim 8, the reference claims the identical variables for Z (claim 14). Regarding instant claim 9, the reference claims the identical formulas (claim 15). Regarding instant claim 10, the reference claims the identical species of formula (I) (claim 16). Regarding instant claim 12, the reference claims the identical exemplary species of formula (I) shown below (claim 17). PNG media_image1.png 200 400 media_image1.png Greyscale Regarding instant claim 14, the reference claims the identical formula (XVI) (claim 19). Regarding instant claim 20, the reference claims the identical set of compounds that appear in Fig 6 (claim 20). For example compound 821 is 7-[2-(1-methoxy-6-isoquinolyl )-5-(p-methoxyphenyl)-1,3-oxazol-4-yl]-1,7-diaza-8(7H)-naphthalenone: PNG media_image2.png 452 561 media_image2.png Greyscale . 18/468639 Claims 1-11, 14, and 20 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-20 of copending Application No. 18/468639 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other as described in the claim-by-claim analysis below. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Regarding instant claim 1, the reference claims the identical oxazolyl structure (claim 7). Regarding instant claim 2, the reference claims the identical oxazolyl structure (claim 8). Regarding instant claim 3, the reference claims the identical naphthyridinone and dihydronaphthyridinone structures for variable T (claim 9). Regarding instant claim 4, the reference claims the identical naphthyridinone (claim 10). Regarding instant claim 5, the reference claims the identical variables for X (claim 11). Regarding instant claim 6, the reference claims the identical variables for X (claim 12). Regarding instant claim 7, the reference claims the identical variables for Z (claim 13). Regarding instant claim 8, the reference claims the identical variables for Z (claim 14). Regarding instant claim 9, the reference claims the identical formulas (claim 15). Regarding instant claim 10, the reference claims the identical species of formula (I) (claim 16). Regarding instant claim 11, the reference claims the identical exemplary species of formula (I) shown below (claim 17). PNG media_image3.png 200 400 media_image3.png Greyscale Regarding instant claim 14, the reference claims the identical formula (XVI) (claim 19). Regarding instant claim 20, the reference claims the identical set of compounds that appear in Fig 6 (claim 20). For example compound 821 is 7-[2-(1-methoxy-6-isoquinolyl )-5-(p-methoxyphenyl)-1,3-oxazol-4-yl]-1,7-diaza-8(7H)-naphthalenone: PNG media_image2.png 452 561 media_image2.png Greyscale . Allowable Subject Matter Claims 13 are 15-19 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form, including all of the limitations of the base claim and any intervening claims. Claim 1 The compounds of claim 1 were found allowable over the prior art. The closest prior art to the naphthyridinone/dihydronaphthyridinone substituted oxazolyl compounds of formula (I) are those of Duggan (US20100130540) who teaches naphthyridinone/dihydronaphthyridinone structures of formula (I) as a means of treating neurodegenerative diseases (pg 1, para 0003; pg 1, para 0007). PNG media_image4.png 194 411 media_image4.png Greyscale Importantly, Duggan does not teach or suggest attaching the naphthyridinone/dihydronaphthyridinone unit to the 4-position of the oxazole as instantly claimed. Duggan teaches other 5-membered heterocycles such as imidazole (shown below) and triazole being separated by methylene linker (pg 1, para 0012). PNG media_image5.png 270 371 media_image5.png Greyscale Absent a specific teaching to combine the naphthyridinone/dihydronaphthyridinone unit with a oxazole unit, whilst removing the methylene spacer, one of skill in the art would not have been motivated to generate the instantly claimed structures of formula (I). Dependent claims 2-13 and 19 which are drawn to more specific exemplary structures of Formula (I) and pharmaceutical compositions thereof are also rendered allowable. Claim 14 The compounds of claim 14 were found allowable over the prior art. The closest prior art to the pyrrolopyrimidinone, pyrrolopyridinone, furopyrimidinone and furopyridinone structures of formula (XVI) are those of Tamagnan (US20100143253). Tamagnan teaches structure of the formula below as a means of treating neurodegenerative diseases (pg 15, para 0062-0063). PNG media_image6.png 150 360 media_image6.png Greyscale Importantly, the structures of Tamagnan lack the 5-membered heterocycle being affixed to the 3-position of pyrimidinone unit, which is analogous to the 5-position of the pyridinone unit (as shown below). PNG media_image7.png 200 400 media_image7.png Greyscale Furthermore, of the fused heterocycles shown in Tamagnan’s formula above, all of them lack the carbonyl functionality of a pyrimidinone/pyridinone. Absent a specific teaching (i) to incorporate a carbonyl to generate a pyridinone/pyrimidinone species; and (ii) to incorporate a 5-membered heterocycle at the 3 or 5 position, one of skill in the art would not have been motivated to generate the instantly claimed compounds. Dependent claims 15-18 which are drawn to more specific exemplary structures of Formula (XVI) are also rendered allowable for the same reasons. Claim 20 Claim 20 is drawn to 821 distinctive species largely composed of the following structures (G1)-(G6), shown below. Structures of (G4) represented species of formula (I), discussed previously. Note: the short-hand structures drawn below depict greater breadth than what is claimed. Examiner does not assert that the genera of (G1)-(G6) shown below are also allowable. Examiner is merely using this as a means of organizing the discrete instantly claimed species. In other words, only the discretely claimed species described within Fig 6 were found allowable. PNG media_image8.png 200 400 media_image8.png Greyscale PNG media_image9.png 200 400 media_image9.png Greyscale These discrete chemical species of (G1)-(G6) described within Fig 6 were not found in the prior art. The closest prior art to (G1) is that of Inoue (US20090131413). Inoue teaches compounds of formula (I), shown below (pg 2, para 0014). PNG media_image10.png 190 224 media_image10.png Greyscale At best, Inoue teaches the following structure, which lacks the 4-fluoro group on the benzyl unit and attaches an N-linked (2,4-di-4-morpholinylphenyl) unit that was not featured in any of the compounds in Fig 6. PNG media_image11.png 256 352 media_image11.png Greyscale Absent a specific teaching to remove this dimorpholinyl unit and fluorinate the benzyl unit, one of skill in the art would not have been motivated to modify the structure of Inoue. The closest prior art to (G2)-(G3) is that of Molette (US20190071450), who teaches a structures of formula (I), shown below (pg 3, para 0025). PNG media_image12.png 124 405 media_image12.png Greyscale However, Molette fails to teach any exemplary species comprising the same heterocycle unit as (G2) and (G3), shown below (pg 5, para 0053). PNG media_image13.png 184 603 media_image13.png Greyscale Given the teachings of Molette, one of skill in the art would not have been motivated to add an additional heteroatom to the heterocycle that was not specifically taught in the reference. See also the structures of Honer (doi: 10.2967/jnumed.117.196741), who teaches the following structures shown below (Fig 1), none of which were claimed in Fig 6. PNG media_image14.png 423 743 media_image14.png Greyscale The closest prior art to (G5)-(G6) is that of Chatzopoulou (doi: 10.1039/c3cc45410j) who teaches a method of generating 3-indole containing oxazoles (Table 2, shown below). PNG media_image15.png 206 849 media_image15.png Greyscale Because none of the compounds within Fig 6 featured an indole at 6-position of the oxazole, one of skill in the art would not have been motivated to remove this element, as it is critical for the synthesis to function (Table 2, shown below). PNG media_image16.png 277 799 media_image16.png Greyscale Absent a specific teaching to generate each of the specific species described in Fig 6, one of skill in the art would not have been motivated to synthesize the instantly claimed species. MPEP §2144.09 sets forth various considerations when considering compounds of close chemical structure, e.g., that successive addition of the same chemical group, such as additional CH2 groups, are generally expected to be so close that they possess the same or similar properties. However, while structural similarity is one consideration for obviousness, the evidence as a whole must be considered. In this case, there are large disparities between the chemical structures claimed and those in the prior art (e.g. completely different heterocycles and functional groups). As discussed above, absent a motivation to generate the instantly claimed compounds, one of skill in the art would not have found it obvious to generate them. Response to Arguments Applicant’s arguments filed on 5/27/2026 have been fully considered but they are not persuasive. Responses to Objections and 112(b); pg 41, para 1 Applicant mentions the correction of various typos and Examiner’s previous mention of allowable subject matter. The convention in the chemical arts is to represent compounds by a number (as applicant has done in Fig 6). This is due to the complexity of interpreting long chemical names—a task that isn’t well performed even by those skilled in the art. As a result, wherever possible, please refer to chemical compounds using their chemical structure or the compound number in the future. This is especially important in the instant case where 821 unique chemical structures are being presented. Non-Statutory Double Patenting; pg 41, para 8 Applicant requests that the double patenting rejection over U.S. Patent No. 18/468657 and 18/468639 be held in abeyance. A request to hold a rejection in abeyance is not a proper response to a rejection. Rather, a request to hold a matter in abeyance may only be made in response to an OBJECTION or REQUIREMENTS AS TO FORM (see 37 CFR 1.111(b) and MPEP §714.02). Thus, the double patenting rejections of record have been maintained as no response to these rejections has been filled by applicant at this time. 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 LAURA ANN ESSEX whose telephone number is 571-272-1103. The examiner can normally be reached Mon - Fri 8:30-5:00. 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, Jeffrey Stucker can be reached on 571-272-0911. 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. /L.A.E./ Examiner, Art Unit 1675 /JEFFREY STUCKER/Supervisory Patent Examiner, Art Unit 1675
Read full office action

Prosecution Timeline

Sep 15, 2023
Application Filed
Aug 13, 2025
Response after Non-Final Action
Apr 01, 2026
Non-Final Rejection mailed — §112, §DP
May 27, 2026
Response Filed
Aug 12, 2026
Final Rejection (signed) — §112, §DP
Sep 24, 2026
Final Rejection mailed — §112, §DP (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
60%
Grant Probability
96%
With Interview (+35.2%)
3y 7m (~6m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 114 resolved cases by this examiner. Grant probability derived from career allowance rate.

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