Prosecution Insights
Last updated: July 17, 2026
Application No. 18/547,190

ANALOGS FOR THE TREATMENT OF DISEASE

Non-Final OA §102
Filed
Aug 21, 2023
Priority
Feb 24, 2021 — CN PCT/CN2021/077670 +1 more
Examiner
LADD, CAROLYN LOUISE
Art Unit
1622
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Insilico Medicine Ip Limited
OA Round
1 (Non-Final)
56%
Grant Probability
Moderate
1-2
OA Rounds
7m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 56% of resolved cases
56%
Career Allowance Rate
44 granted / 78 resolved
-3.6% vs TC avg
Strong +47% interview lift
Without
With
+47.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 6m
Avg Prosecution
33 currently pending
Career history
104
Total Applications
across all art units

Statute-Specific Performance

§103
33.2%
-6.8% vs TC avg
§102
15.8%
-24.2% vs TC avg
§112
23.4%
-16.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 78 resolved cases

Office Action

§102
DETAILED ACTION Status of Claims The amendment submitted February 20, 2026 has been entered. Claims 135-136, 141-142, and 153-168 are pending. Claims 1, 4-5, 12, 15, 18, 25, 27, 29, 32, 34-35, 48, 54, and 137-138 are cancelled by Applicant. Claims 153-168 are new. Claims 136, 141, and 142 are amended. Claim 142 is withdrawn in the instant office action as explained below in the Election/Restriction section. Claims 135-136, 141, and 153-168 are under consideration in the instant office action as explained below in the Election/Restriction section 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 . Election/Restrictions Applicant’s election without traverse of Group II, claims 135-136, drawn to a compound of Formula (B*) in the reply filed on February 20, 2026 is acknowledged. New claims 141 and 153-168 are directed towards compound of Formula (B*); therefore, are likewise elected. Applicant’s election without traverse of compound 115 in Table 1 as a species of compound of Formula (B*) in the reply filed on February 20, 2026 is acknowledged. [AltContent: textbox (W)][AltContent: textbox (R1)][AltContent: textbox (R4)][AltContent: textbox (Z)][AltContent: textbox (R3)][AltContent: rect][AltContent: rect][AltContent: rect][AltContent: rect][AltContent: rect] PNG media_image1.png 238 178 media_image1.png Greyscale The election reads on claims 135-136, 141, and 153-168, where R¹ is substituted 3 to 10-membered heterocycle; R³ is C3-12 carbocycle substituted with halogen; R⁴ is C1-10 alkyl; Z is 3- to 12-membered heterocycle; and W is 3- to 12-membered heterocycle. For the purposes of compact prosecution, the search was expanded. New claim 142 is directed towards a method of treating a disease comprising a compound of claim 1; therefore, it is a part of Group IV. Consequently, Claim 142 is withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on February 20, 2026. Claims 135-136, 141, and 153-168 are under consideration and the subject of this Office Action. Priority This application is a 371 National Phase Application of PCT/CN2022/077478 filed February 23, 2022, which claims the benefit of priority to PCT/CN2021/077670, filed on February 24, 2021. Acknowledgment is made of applicant’s claim for foreign priority under 35 U.S.C. 119 (a)-(d), and the certified copy has been filed. Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Information Disclosure Statement Five information disclosure statements (IDS) submitted on February 20, 2026; June 11, 2025; July, 23, 2024; April 8, 2024 and October 31, 2023 are acknowledged. The submission is in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Specification Claim Objections Claim 160 is objected to because of the following informalities: At line 2, “alky” should read as alkyl. Appropriate correction is required. 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. (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 135, 141, 160, 161, and 167 are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being clearly anticipated by Eggenweiler et al (USPN 8,501,754 B2). At column 120, line 30, Eggenweiler discloses the following compound as shown below. [AltContent: rect][AltContent: textbox (Z is C3-C12 carbocycle)][AltContent: rect][AltContent: textbox (W is 8-12 membered heterocycle)][AltContent: textbox (R4 is methyl)][AltContent: textbox (R3 is phenyl)][AltContent: rect][AltContent: rect] PNG media_image2.png 270 458 media_image2.png Greyscale PNG media_image3.png 90 173 media_image3.png Greyscale The compound reads on claim 135 where R3 is phenyl, W is an 8-12 membered heterocycle, R4 is methyl, and Z is a C3-C12 carbocycle. For the Z substituent, on page 20, paragraph [0047], Applicant defines “Carbocycle" refers to a saturated, unsaturated or aromatic ring system in which each ring atom of the ring system is carbon. Carbocycle may include 3- to 10-membered monocyclic rings, 6- to 12-membered bicyclic rings, and 6- to 12-membered bridged rings.” Therefore, Eggenweiler’s compound meets the limitations of claim 135. Regarding claim 160 and 161, Eggenweiler’s compound meets the limitations where R4 is C1-C6 alkyl, as R4 is methyl. Regarding claim 167, Eggenweiler’s compound meets the limitations where R3 is optionally-substituted phenyl. As per MPEP 2131.02.I: “A generic claim cannot be allowed to an applicant if the prior art discloses a species falling within the claimed genus." The species in that case will anticipate the genus. In re Slayter, 276 F.2d 408, 411, 125 USPQ 345, 347 (CCPA 1960); In re Gosteli, 872 F.2d 1008, 10 USPQ2d 1614 (Fed. Cir. 1989).” Regarding claim 141, at column 25, lines 41-48, Eggenweiler teaches that “The invention furthermore relates to the use of the compounds and/or physiologically acceptable salts thereof for the preparation of a medicament (pharmaceutical composition), in particular by non-chemical methods. They can be converted into a suitable dosage form here together with at least one solid, liquid and/or semi-liquid excipient or adjuvant and, if desired, in combination with one or more further active ingredients.” Claim 16-17 of Eggenweiler additionally teaches pharmaceutical compositions comprising the compound as shown above. Therefore, claims 135, 141, 160, 161, and 167 are rejected as clearly anticipated by Eggenweiler. Claims 135, 141, 160, 161, and 167 are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being clearly anticipated by Buettelmann et al. (USPN 7,585,874 B2). Buettelmann discloses compounds of Formula I-a as shown below (column 12, top structure I-f). PNG media_image4.png 229 183 media_image4.png Greyscale By example only, Buettelmann also discloses Example 14 (page 20, shown below), which reads on claim 135 where R3 is phenyl, W is an 8-12 membered heterocycle, R4 is methyl, and Z is a C3-C12 carbocycle. Regarding claim 160 and 161, Example 14 compound meets the limitations where R4 is C1-C6 alkyl, as R4 is methyl. Regarding claim 167, Example 14 meets the limitations where R3 is phenyl. [AltContent: textbox (Z is a C3-C12 carbocycle)][AltContent: textbox (R3 is phenyl)] [AltContent: textbox (W is an 8-12 membered heterocycle)][AltContent: textbox (R4 is methyl)][AltContent: rect][AltContent: rect][AltContent: rect][AltContent: rect] PNG media_image5.png 221 415 media_image5.png Greyscale PNG media_image3.png 90 173 media_image3.png Greyscale As per MPEP 2131.02.I: “A generic claim cannot be allowed to an applicant if the prior art discloses a species falling within the claimed genus." The species in that case will anticipate the genus. In re Slayter, 276 F.2d 408, 411, 125 USPQ 345, 347 (CCPA 1960); In re Gosteli, 872 F.2d 1008, 10 USPQ2d 1614 (Fed. Cir. 1989).” Regarding claim 141, at columns 13, last two lines and column 14, lines 1-24, Buettelmann teaches that “The invention also provides pharmaceutical compositions containing compounds of the invention, for example compounds of formula I and/or their pharmaceutically acceptable acid addition salts, and a pharmaceutically acceptable carrier. Such pharmaceutical compositions can be in the form of tablets, coated tablets, dragées, hard and soft gelatin capsules, solutions, emulsions or suspensions. The pharmaceutical compositions also can be in the form of suppositories or injectable solutions. The pharmaceutical compounds of the invention, in addition to one or more compounds of the invention, contain a pharmaceutically acceptable carrier.” Therefore, claims 135, 141, 160, 161, and 167 are rejected as clearly anticipated by Buettelmann. Claims 135, 141, 156, 160, 161, and 167 are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being clearly anticipated by Severance et al (US-PGPUB 2006/0252807 A1). Severance teaches compounds such as Example 9 (shown below, paragraph [518], column 31). [AltContent: textbox (R3 is optionally substituted phenyl with chloro)] [AltContent: textbox (W is a 5-membered heterocycle)] [AltContent: rect][AltContent: textbox (Z is a C3-C12 carbocycle)][AltContent: textbox (R4 is methyl)][AltContent: rect][AltContent: rect][AltContent: rect] PNG media_image6.png 239 376 media_image6.png Greyscale Example 9 reads on claim 135 where R3 is phenyl, W is a 5-membered heterocycle, R4 is methyl, and Z is a C3-C12 carbocycle. Therefore, Example 9 meets the limitations of claim 135. Regarding claim 156, Example 9 meets the limitations “wherein W is optionally substituted 5- to 8- membered heterocycle, wherein the 5- to 8-membered heterocycle comprises at least 2 heteroatoms selected from nitrogen.” Regarding claim 160 and 161, Example 9 meets the limitations where R4 is C1-C6 alkyl, as R4 is methyl. Regarding claim 167, Example 9 meets the limitations where R3 is phenyl. As per MPEP 2131.02.I: “A generic claim cannot be allowed to an applicant if the prior art discloses a species falling within the claimed genus." The species in that case will anticipate the genus. In re Slayter, 276 F.2d 408, 411, 125 USPQ 345, 347 (CCPA 1960); In re Gosteli, 872 F.2d 1008, 10 USPQ2d 1614 (Fed. Cir. 1989).” Regarding claim 141, paragraph [0003], column 1 of Severance teaches that “The present invention relates to inhibitors of p38, a mammalian protein kinase involved in cell proliferation, cell death and response to extracellular stimuli. The invention also relates to methods for producing these inhibitors. The invention also provides pharmaceutical compositions comprising the inhibitors of the present invention and methods of utilizing those compositions in the treatment and prevention of various disorders.” Paragraph 451, column 23 of Severance also teaches, “While it may be possible for the compounds of the subject invention to be administered as the raw chemical, it is also possible to present them as a pharmaceutical formulation. Accordingly, the subject invention provides a pharmaceutical formulation comprising a compound or a pharmaceutically acceptable salt, ester, prodrug or solvate thereof, together with one or more pharmaceutically acceptable carriers thereof and optionally one or more other therapeutic ingredients.” Therefore, claims 135, 141, 156, 160, 161 and 167 are rejected as clearly anticipated by Severance. Claims 135, 153-154, 156, 160-161, and 167 are rejected under 35 U.S.C. 102(a)(1) as being clearly anticipated by CAS Registry Number 265125-23-3 (Entered STN Registry on May 17, 2000). CAS Registry Number 265125-23-3 teaches the limitations of claim 135 where R3 is phenyl, W is a 5-membered heterocycle, R4 is methyl, and Z is phenyl. Regarding claims 153-154, CAS Registry Number 265125-23-3 meets the limitations where Z is optionally substituted phenyl Regarding claim 156, CAS Registry Number 265125-23-3 meets the limitations “wherein W is optionally substituted 5- to 8- membered heterocycle, wherein the 5- to 8-membered heterocycle comprises at least 2 heteroatoms selected from nitrogen.” Regarding claim 160 and 161, CAS Registry Number 265125-23-3 meets the limitations where R4 is C1-C6 alkyl, as R4 is methyl. Regarding claim 167, CAS Registry Number 265125-23-3 meets the limitations where R3 is phenyl. [AltContent: textbox (R3 phenyl )][AltContent: textbox (R4 is methyl)] PNG media_image7.png 202 628 media_image7.png Greyscale [AltContent: textbox (Z is phenyl )][AltContent: textbox (W is a 5-membered heterocycle)][AltContent: rect][AltContent: rect][AltContent: rect][AltContent: rect] PNG media_image8.png 261 480 media_image8.png Greyscale As per MPEP 2131.02.I: “A generic claim cannot be allowed to an applicant if the prior art discloses a species falling within the claimed genus." The species in that case will anticipate the genus. In re Slayter, 276 F.2d 408, 411, 125 USPQ 345, 347 (CCPA 1960); In re Gosteli, 872 F.2d 1008, 10 USPQ2d 1614 (Fed. Cir. 1989).” Therefore, claims 135, 153-154, 156, 160-161 and 167 are rejected as clearly anticipated by CAS Registry Number 265125-23-3. Relevant Prior Art The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Coleman et al (WO 1999/048890 A1) discloses 1,2-oxazole-based compounds similar to instant invention, as shown below. PNG media_image9.png 239 369 media_image9.png Greyscale Applicant is also advised of the following compounds from the CAS Registry as shown below. PNG media_image10.png 246 728 media_image10.png Greyscale PNG media_image11.png 209 474 media_image11.png Greyscale PNG media_image12.png 199 708 media_image12.png Greyscale PNG media_image13.png 209 416 media_image13.png Greyscale PNG media_image14.png 399 713 media_image14.png Greyscale PNG media_image15.png 395 734 media_image15.png Greyscale PNG media_image16.png 230 700 media_image16.png Greyscale PNG media_image17.png 172 371 media_image17.png Greyscale PNG media_image18.png 422 715 media_image18.png Greyscale Allowable Subject Matter Claims 136, 155, 157, 158-159, 162-166, 168 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. Conclusion Claims 135, 141, 153-154, 156, 160-161, and 167 are under consideration and are rejected. Claims 136, 155, 157, 158-159, 162-166, 168 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. No claims are allowed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to CAROLYN L. LADD whose telephone number is (703)756-5313. The examiner can normally be reached M-Th, 7:00 am to 5:30 pm EST. 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, James H. Alstrum-Acevedo can be reached at 571-272-5548. 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. /C.L.L./Examiner, Art Unit 1622 /JAMES H ALSTRUM-ACEVEDO/Supervisory Patent Examiner, Art Unit 1622
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Prosecution Timeline

Aug 21, 2023
Application Filed
Jun 11, 2026
Non-Final Rejection mailed — §102 (current)

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Prosecution Projections

1-2
Expected OA Rounds
56%
Grant Probability
99%
With Interview (+47.4%)
3y 6m (~7m remaining)
Median Time to Grant
Low
PTA Risk
Based on 78 resolved cases by this examiner. Grant probability derived from career allowance rate.

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