Prosecution Insights
Last updated: October 25, 2026
Application No. 18/712,003

PROCESS FOR PREPARING ARYL ETHENE COMPOUND

Non-Final OA §102
Filed
May 21, 2024
Priority
Nov 22, 2021 — RE 10-2021-0161115 +1 more
Examiner
HOU, FRANK S
Art Unit
1692
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
NovMetaPharma Co., Ltd.
OA Round
1 (Non-Final)
68%
Grant Probability
Favorable
1-2
OA Rounds
9m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 68% — above average
68%
Career Allowance Rate
97 granted / 143 resolved
+7.8% vs TC avg
Strong +37% interview lift
Without
With
+36.7%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
34 currently pending
Career history
182
Total Applications
across all art units

Statute-Specific Performance

§101
1.6%
-38.4% vs TC avg
§103
32.9%
-7.1% vs TC avg
§102
23.9%
-16.1% vs TC avg
§112
26.7%
-13.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 143 resolved cases

Office Action

§102
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 Claims 1-7 of H. Y. Jung, et al., US 18/712,003 (05/21/2024) are pending and are under examination on merits. Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. 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. Claim 7 is rejected under 35 U.S.C. 102 (a)(1)as being anticipated by J. Kim, et al, 62 J. Med. Chem. 1837-1858 (2019)(“Kim”). Kim teaches a process for preparing of (E)-4-(5-Hydroxy-1-(4-(4-isopropylpiperazin-1-yl)phenyl)-2-phenylpent-1-en-1-yl)phenol Dihydrochloride Salt (12) through the following two steps of reaction: (b). Treating of the compound (E)-Methyl 5-(4-(4-Isopropylpiperazin-1-yl)phenyl)-4-phenyl-5-(4-(pivaloyloxy)phenyl)pent-4-enoate (3e) with LiAlH4 in THF; and (c). Reacting of the intermediate with HCl to produce the hydrochloride salt. Kim at page 1839, Scheme 1, 3e to 12; page 1852, left col. preparation of compound 12. It needs to be noted that the experimental section for the preparation of compound 12 only describes the procedure for step b. PNG media_image1.png 1021 2006 media_image1.png Greyscale Kim at page 1839, Scheme 1, 3e to 12. The Kim compound 3e has a same chemical structure as that of the compound 10 of the specification. Specification at page 6, Reaction scheme 1, compound 10. The specification Example 6 teaches that the compound 10 is transformed into the compound 1 by treating of the compound 10 with LiAlH4 in THF. See Specification at page 12, Example 6. Therefore, the product in the Kim step b has a same chemical structure as that of the compound 1 of the specification [the compound of formula (1) in claim 1]. Therefore, the Kim step c is a method of reacting of the compound of formula (1) in claim 1 with hydrogen chloride to produce the dihydrochloride salt 12. The language of “the compound of formula (1) prepared by the process according to claim 1” in claim 7 is interpreted as a product-by-process language. If the product in the product-by-process claim is the same as or obvious from a product of the prior art, the claim is unpatentable even though the prior product was made by a different process. MPEP 2113. Although the cited product-by-process language is nested within a method claim, this does not change the proper construction of the product-by-process limitation itself. MPEP § 2113(I); Biogen MA Inc. v. EMD Serono, Inc., 976 F.3d 1326, 1334 (Fed. Cir. 2020) (“[t]he nesting of the product-by-process limitation within a method . . . claim does not change the proper construction of the product-by-process limitation itself”); see also non-binding, non-precedential opinion in Ex parte Wohaibi, Appeal No. 2024-004112, 17/750,212 (PTAB 2025) discussing this Federal Circuit decision. Herein, the source of the compound formula (1) does not change the structure of claim 7. Therefore, the Kim method meets each and every limitation of claim 7 and claim 7 is anticipated. Allowable Subject Matter Claims 1-6 are allowed. The closet prior art is S. Y. Hwang, et al, US20190167820A1 (2019)(“Hwang”). S. Y. Hwang, et al, US 20190167820A1 (2019)(“Hwang”) Hwang teaches that biological effects of ERRγ has been extensively studied in various disease models and ligand inhibiting activity of ERRγ can improve the function of NIS ( sodium iodide symporter ) to increase an ATC (anaplastic thyroid cancer) intracellular radioiodine uptake and exhibit an effect of increasing radioiodine treatment. Hwang at page 2, [0012]. Hwang teaches an arylethene derivative represented by the following Chemical Formula 1, which may effectively inhibit an activity of ERRγ. Hwang at page 9, [0019]. PNG media_image2.png 311 649 media_image2.png Greyscale Hwang teaches examples of the compound Formula 1, such as compound 18a that has a same chemical structure as that of the compound 1 in the instant claim 1. Hwang at page 97, Table 3, Example 20. Compound 18a. PNG media_image3.png 817 758 media_image3.png Greyscale Hwang teaches that compound 18a is prepared using the process of Example 19. Hwang at page 97, right col.[0157], line 1-2. Hwang teaches the Example 19 is conducted as the following reactions. Hwang at page 96, [0153]. PNG media_image4.png 1714 1542 media_image4.png Greyscale Thus, Hwang fairly teaches one of ordinary skill in the art that the Hwang compound 18a was prepared through the following method. PNG media_image5.png 1616 1542 media_image5.png Greyscale Hwang tested the binding activities of example compounds including 18a with ERRγ, ERRα, ERRβ, Erα (Huang at page 139, Table 12); ERRγ inhibiting activities of example compounds including 18a (Huang at page 140, Table 13); membrane permeability of example compounds including 18a (Huang at page 142, Table 16) and in vivo PK of example compounds including 18a (Huang at page 143, Table 18). Difference Hwang and Claims 1-6 The Hwang synthetic method comprises a step of reduction of the instant claim 1 compound 10 to form the compound 18a (the compound 1 in the instant claim 1). The Hwang method differs from the instant claim 1 in that Hwang does not teach to prepare the instant claim 1 compound 10 with the claimed method. Claims 1-6 are Not Obvious Claims 1-6 are not obvious because one ordinary skill in the art is not motivated to modify the Hwang compound 18a synthetic method. Motivation lacks as one ordinary skill in the art has no motivation to elect the Hwang compound 18a as a lead candidate for further investigation because it has poor membrane permeability (see Huang at page 142, Table 16) and lower in vivo AUC compared to other compounds tested ( see Huang at page 143, Table 18). Conclusion Claim 7 is rejected and claims 1-6 are allowed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to FRANK S. HOU whose telephone number is (571)272-1802. The examiner can normally be reached 6:30 am-2:30 pm Eastern on Monday to Friday. 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, Scarlett Goon can be reached at (571)2705241. 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. /FRANK S. HOU/Examiner, Art Unit 1692 /ALEXANDER R PAGANO/Primary Examiner, Art Unit 1692
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Prosecution Timeline

May 21, 2024
Application Filed
Sep 24, 2026
Examiner Interview (Telephonic)
Oct 13, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
68%
Grant Probability
99%
With Interview (+36.7%)
3y 2m (~9m remaining)
Median Time to Grant
Low
PTA Risk
Based on 143 resolved cases by this examiner. Grant probability derived from career allowance rate.

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