Prosecution Insights
Last updated: April 19, 2026
Application No. 18/466,489

PROCESS FOR PREPARATION OF IPCONAZOLE & ITS INTERMEDIATES

Non-Final OA §112
Filed
Sep 13, 2023
Examiner
JACKSON, SHAWQUIA
Art Unit
1626
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
UPL Corporation Limited
OA Round
1 (Non-Final)
78%
Grant Probability
Favorable
1-2
OA Rounds
2y 5m
To Grant
74%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allow Rate
1410 granted / 1810 resolved
+17.9% vs TC avg
Minimal -3% lift
Without
With
+-3.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
29 currently pending
Career history
1839
Total Applications
across all art units

Statute-Specific Performance

§101
2.0%
-38.0% vs TC avg
§103
7.1%
-32.9% vs TC avg
§102
19.3%
-20.7% vs TC avg
§112
52.2%
+12.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1810 resolved cases

Office Action

§112
DETAILED ACTION Claims 1-9 are currently pending in the instant application. Claims 1, 7 and 8 are rejected, claim 2 is objected and claims 3-6 and 9 are considered allowable in this Office 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 . I. Priority The instant application claims benefit of US Provisional Application 63/406,861, filed on September 15, 2022. II. Information Disclosure Statement The information disclosure statement (IDS) submitted on September 13, 2023 is in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement has been considered by the examiner. III. Rejections Claim Rejections - 35 USC § 112 The following is a quotation of the second paragraph of 35 U.S.C. 112: 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 1 is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being incomplete for omitting essential steps, such omission amounting to a gap between the steps. See MPEP § 2172.01. Claim 1 is drawn to a process for preparation of a compound of formula (V) PNG media_image1.png 122 323 media_image1.png Greyscale wherein the process proceeds via cyclopentanone. The process does not provide any steps showing how cyclopentanone is used to prepare the compound of formula (V) or does not provide any steps that show the final product of formula (V) is obtained. For example, an omitted step is PNG media_image2.png 223 835 media_image2.png Greyscale . This step is essential to show how the cyclopentanone is being used to prepare the compound of formula (V) and therefore, should be present in the claim. Claim 8 is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being incomplete for omitting essential steps, such omission amounting to a gap between the steps. See MPEP § 2172.01. Claim 8 is drawn to a process for preparation of ipconazole wherein the process proceeds via an intermediate of formula (VI) prepared according to claim 2. The process does not provide any steps showing how the intermediate of formula (VI) is used to prepare ipconazole or does not provide any steps that show the final product is obtained. For example, an omitted step is PNG media_image3.png 62 816 media_image3.png Greyscale . This step is essential to show how the compound PNG media_image4.png 144 285 media_image4.png Greyscale formula (VI) is being used to prepare ipconazole and therefore, should be present in the claim. Claim 7 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. Regarding claim 7, the phrase "preferably" renders the claim indefinite because it is unclear whether the limitation(s) following the phrase are part of the claimed invention. See MPEP § 2173.05(d). Applicants are suggested to amend claim 7 to delete the phrase “preferably methanol” to overcome the rejection. Claim 8 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 8 is drawn to “A process for preparation of ipconazole, wherein the process proceeds via an intermediate of formula (VI) prepared according to claim 2”. However, in claim 2 formula (VI) is referred to as “a compound of formula (VI)” not an “intermediate” of formula (VI) as seen in claim 8. The limitation “an intermediate of formula (VI)” lacks antecedent basis because it is unclear if the intermediate of formula (VI) is a different compound than the “compound of formula (VI)” and therefore, it does not clearly refer back to the same limitation in claim 2. Applicants are suggested, for example, to amend claim 8 so that the term “intermediate” is now “compound” so that the claim language is consistent with claim 2. IV. Objections Claim Objections Claim 2 is objected to because of the following informalities: claim 2 is drawn to a process for preparation of a compound of formula (VI) and is followed by the structure PNG media_image5.png 151 307 media_image5.png Greyscale which is labeled with Formula (IV) not Formula (VI). Applicants are suggested to amend claim 2 so that the above structure is labeled Formula (VI). Appropriate correction is required. ***The closest prior art is EP0267778 which teaches a process for preparing ipconazole by using an alkyl ester of 2-oxocylopentanecarboxylic acid to prepare the final product but does not teach a process which uses cyclopentanone PNG media_image6.png 134 127 media_image6.png Greyscale as a starting material as seen in the instant claimed process. The process step of reacting cyclopentanone with acetone to obtain the compound PNG media_image7.png 138 187 media_image7.png Greyscale is not taught in the prior art. V. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to Shawquia Jackson whose telephone number is 571-272-9043. The examiner can normally be reached on 7:00 AM-3:30PM. If attempts to reach the examiner by telephone are unsuccessful, the examiner's supervisor, Adam Milligan can be reached on 571-270-7674. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). /SHAWQUIA JACKSON/Primary Examiner, Art Unit 1626
Read full office action

Prosecution Timeline

Sep 13, 2023
Application Filed
Feb 07, 2026
Non-Final Rejection — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12600903
DELAYED FLUORESCENCE COMPOUND, AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
2y 5m to grant Granted Apr 14, 2026
Patent 12594265
METHODS AND COMPOSITIONS FOR INHIBITION OF STAT3
2y 5m to grant Granted Apr 07, 2026
Patent 12595231
NOVEL CRYSTALLINE SALT FORMS OF MESEMBRINE
2y 5m to grant Granted Apr 07, 2026
Patent 12590047
METHOD FOR PRODUCING FLUORINE-CONTAINING OLEFIN
2y 5m to grant Granted Mar 31, 2026
Patent 12583818
NOVEL COMPOUND, PREPARATION METHOD THEREOF, AND USE THEREOF
2y 5m to grant Granted Mar 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.
Powered by AI — typically takes 5-10 seconds

Prosecution Projections

1-2
Expected OA Rounds
78%
Grant Probability
74%
With Interview (-3.4%)
2y 5m
Median Time to Grant
Low
PTA Risk
Based on 1810 resolved cases by this examiner. Grant probability derived from career allow rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month