Prosecution Insights
Last updated: April 19, 2026
Application No. 16/346,028

FUNCTIONAL DERIVATIVE COMPOUNDS OF ALANINE AND PROLINE AMINO ACIDS AND PHARMACEUTICAL COMPOSITION COMPRISING SAME

Non-Final OA §103§DP
Filed
Apr 29, 2019
Examiner
CHEN, PO-CHIH
Art Unit
1621
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Amtixbio Co. Ltd.
OA Round
9 (Non-Final)
75%
Grant Probability
Favorable
9-10
OA Rounds
2y 7m
To Grant
88%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allow Rate
553 granted / 740 resolved
+14.7% vs TC avg
Moderate +14% lift
Without
With
+13.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
52 currently pending
Career history
792
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
27.5%
-12.5% vs TC avg
§102
20.0%
-20.0% vs TC avg
§112
31.8%
-8.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 740 resolved cases

Office Action

§103 §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 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 1/23/2026 has been entered. As filed, claims 1, 2, 4-6, and 13-15 are pending; and claims 3, 7-12, and 16-19 are cancelled. Response to Amendments/Remarks Applicant’s amendments/remarks, filed 1/23/2026, with respect to claims 1, 2, 4-6, and 13-15, have been fully considered and are entered. The status for each rejection in the previous Office Action is set out below. The § 103(a) rejection of claims 1, 2, 4-6, and 13-15 by King is withdrawn per amendments. Nonstatutory 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 claims at issue 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); and 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 a nonstatutory double patenting ground provided the reference application or patent either is shown to be commonly owned with this application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The USPTO internet Web site contains terminal disclaimer forms which may be used. Please visit http://www.uspto.gov/forms/. The filing date of the application will determine what form 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 http://www.uspto.gov/patents/process/file/efs/guidance/eTD-info-I.jsp. The instant claims are drawn to a compound of instant formula (1) or pharmaceutical/cosmetic composition thereof. Claims 1, 2, 4-6, and 13-15 are rejected on the ground of nonstatutory obviousness-type double patenting (ODP) as being unpatentable over the conflicting claims of the following U.S. patents or co-pending applications. See Table below. If the conflicting claims are in a co-pending application, then the rejection is a provisional ODP rejection because the conflicting claims have not in fact been patented. Co-pending Application No./ U.S. Patent No. Conflicting Claims Provisional ODP (Yes or No) 18/918,511 1-7 Yes 18/918,533 1-3 Yes 18/918,493 5 Yes In this instance, the analysis employed for the abovementioned nonstatutory obviousness-type double patenting rejection parallels the analysis for anticipation, wherein the compound of instant formula (1) are anticipated by the compounds, as shown below (in representative examples), and such compounds are disclosed in the abovementioned conflicting claims of the abovementioned co-pending applications. PNG media_image1.png 166 632 media_image1.png Greyscale (claim 1 of the ‘511 and ‘533 co-pending application and claim 5 of ‘493 co-pending application) Claims 1, 2, 4-6, and 13-15 are rejected on the ground of nonstatutory obviousness-type double patenting (ODP) as being unpatentable over the conflicting claims of the following U.S. patents or co-pending applications. See Table below. If the conflicting claims are in a co-pending application, then the rejection is a provisional ODP rejection because the conflicting claims have not in fact been patented. Co-pending Application No./ U.S. Patent No. Conflicting Claims Provisional ODP (Yes or No) 18/918,365 1-8 Yes The analysis employed for an obviousness-type double patenting rejection parallels the analysis for a determination of obviousness under 35 U.S.C. § 103. See MPEP 804; In re Braat, 937 F.2d 589, 19 USPQ 2d 1290 (Fed. Cir. 1991); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985). For this reason, the factual inquires set forth in Graham v. John Deere Co., 383 U.S. 1, USPQ 459 (1966) are employed herein. The Graham v. Deere inquires are summarized as follows: (A) Determining the scope and contents of the patent claim relative to a claim in the application at issue; (B) Ascertaining the differences between the scope and content of the patent claim as determined in (A) and the claim in the application at issue; (C) Determine the level of ordinary skill in the pertinent art; and, (D) Evaluate any objective indicia of nonobviousness. (A) Determining the scope and contents of the patent claim relative to a claim in the application at issue – The conflicting claims of the abovementioned co-pending application are drawn to a compound of instant formula (1) or pharmaceutical/cosmetic composition thereof. (B) Ascertaining the differences between the scope and content of the patent claim as determined in (A) and the claim in the application at issue - The conflicting claims of the abovementioned co-pending application described the compound of instant formula (1) in a different Markush structure. (C) Determine the level of ordinary skill in the pertinent art - the level of ordinary skill in the art may be found by inquiring into: (1) the type of problems encountered in the art; (2) prior art solutions to those problems; (3) the rapidity with which innovations are made; (4) the sophistication of the technology; and (5) the education level of active workers in the field. Custom Accessories, Inc. v. Jeffrey-Allan Industries, Inc., 807 F.2d 855, 962 (Fed. Cir. 1986). All of those factors may not be present in every case, and one or more of them may predominate. Envtl. Designs, Ltd. v. Union Oil Co., 713 F.2d 693, 696 (Fed. Cir. 1983). Based on the typical education level of active workers in the field of organic chemistry, as well as the high degree of sophistication required to solve problems encountered in the art, the Examiner finds that a person of ordinary skill in the art would have at least a college degree in the field related to medicine, chemistry, and/or the pharmaceutical art and at least four years of work experience, i.e. a masters or doctorate level scientist/clinician. (D) Evaluate any objective indicia of nonobviousness - none Conclusion - Although the conflicting claims are not identical, one of ordinary skill in the art would recognize that they are not patentably distinct from each other because they are drawn to the same compound having the same therapeutic utility (e.g. antimicrobials etc.). As a result, an infringer of a patent issuing from the instant claims would also be an infringer of the conflicting claims of the abovementioned co-pending application. As recited above, the compound in the conflicting claims of abovementioned co-pending application is the compound of instant formula (1). However, these conflicting claims may have different structures of instant formula (1). Structural similarity is the touchstone of the nonobviousness inquiry for patents claiming a novel chemical compound. Eisai Co. v. Dr. Reddy's Laboratories, 533 F.3d1353,1356-57 (Fed. Cir. 2008). In this case, the compounds are the same; i.e., they have the same atomic composition and the same atomic connectivity. For this reason, one of ordinary skill in the art would anticipate that this is the same compound. The unpredictable nature of the chemical arts generally allows an assertion of similarity to be rebutted by a sufficient demonstration of nonobviousness that employs secondary considerations of objective indicia. In this case, there are no indicia of nonobviousness shown to provide evidence that the structure of the abovementioned co-pending application is excluded as the compound of instant formula (1) of the instant application. Absent indicia of nonobviousness, the Examiner finds that one of ordinary skill in the art would consider the instant compound forms and that of the conflicting claims of the abovementioned co-pending application to be equally effective in their objective. This rejection is in agreement with the judicially created doctrine grounded in public policy 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. Conclusion Claims 1, 2, 4-6, and 13-15 are rejected. Claims 3, 7-12, and 16-19 are cancelled. Telephone Inquiry Any inquiry concerning this communication or earlier communications from the examiner should be directed to PO-CHIH CHEN whose telephone number is (571)270-7243. The examiner can normally be reached Monday - Friday 10:00 am to 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, Clinton Brooks can be reached at (571)270-7682. 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. /PO-CHIH CHEN/Primary Examiner, Art Unit 1621
Read full office action

Prosecution Timeline

Apr 29, 2019
Application Filed
Aug 29, 2020
Non-Final Rejection — §103, §DP
Mar 02, 2021
Response Filed
Jun 03, 2021
Final Rejection — §103, §DP
Dec 08, 2021
Request for Continued Examination
Dec 10, 2021
Response after Non-Final Action
Dec 18, 2021
Non-Final Rejection — §103, §DP
Jun 24, 2022
Response Filed
Oct 06, 2022
Final Rejection — §103, §DP
Apr 12, 2023
Request for Continued Examination
Apr 14, 2023
Response after Non-Final Action
Jun 08, 2023
Non-Final Rejection — §103, §DP
Dec 14, 2023
Response Filed
Mar 31, 2024
Final Rejection — §103, §DP
Oct 04, 2024
Request for Continued Examination
Oct 09, 2024
Response after Non-Final Action
Oct 16, 2024
Non-Final Rejection — §103, §DP
Apr 21, 2025
Response Filed
Jul 22, 2025
Final Rejection — §103, §DP
Jan 23, 2026
Request for Continued Examination
Jan 28, 2026
Response after Non-Final Action
Feb 03, 2026
Non-Final Rejection — §103, §DP (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12595225
METHOD FOR PRODUCING ASYMMETRIC LINEAR CARBONATE
2y 5m to grant Granted Apr 07, 2026
Patent 12582632
INHIBITION OF NEUROLOGICAL INJURIES DUE TO INFECTIONS VIA ADMINISTRATION OF BUTANETAP AND ANALOGS THEREOF
2y 5m to grant Granted Mar 24, 2026
Patent 12571801
Tandem Activity-Based Sensing and Labeling Strategy for Reactive Oxygen Species Imaging
2y 5m to grant Granted Mar 10, 2026
Patent 12552792
SOLID FORMS OF AN FGFR INHIBITOR AND PROCESSES FOR PREPARING THE SAME
2y 5m to grant Granted Feb 17, 2026
Patent 12552782
Analogs of Nitrofuran Antibiotics to Combat Resistance
2y 5m to grant Granted Feb 17, 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

9-10
Expected OA Rounds
75%
Grant Probability
88%
With Interview (+13.8%)
2y 7m
Median Time to Grant
High
PTA Risk
Based on 740 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