Prosecution Insights
Last updated: April 19, 2026
Application No. 18/570,515

NOVEL COMPOUND AS PROTEIN KINASE INHIBITOR

Non-Final OA §102§103§112
Filed
Dec 14, 2023
Examiner
CHICKS, ASHLI ARIANA
Art Unit
1626
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
LG Chem, Ltd.
OA Round
1 (Non-Final)
65%
Grant Probability
Favorable
1-2
OA Rounds
3y 3m
To Grant
99%
With Interview

Examiner Intelligence

Grants 65% — above average
65%
Career Allow Rate
49 granted / 75 resolved
+5.3% vs TC avg
Strong +44% interview lift
Without
With
+43.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
37 currently pending
Career history
112
Total Applications
across all art units

Statute-Specific Performance

§101
2.1%
-37.9% vs TC avg
§103
29.9%
-10.1% vs TC avg
§102
20.4%
-19.6% vs TC avg
§112
23.6%
-16.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 75 resolved cases

Office Action

§102 §103 §112
DETAILED 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 . Claim Status Claims 1-20 are pending. Claims 1-20 are rejected. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(d): (d) REFERENCE IN DEPENDENT FORMS.—Subject to subsection (e), a claim in dependent form shall contain a reference to a claim previously set forth and then specify a further limitation of the subject matter claimed. A claim in dependent form shall be construed to incorporate by reference all the limitations of the claim to which it refers. The following is a quotation of pre-AIA 35 U.S.C. 112, fourth paragraph: Subject to the following paragraph [i.e., the fifth paragraph of pre-AIA 35 U.S.C. 112], a claim in dependent form shall contain a reference to a claim previously set forth and then specify a further limitation of the subject matter claimed. A claim in dependent form shall be construed to incorporate by reference all the limitations of the claim to which it refers. Claims 3, 8, 11 and 16 are rejected under 35 U.S.C. 112(d) or pre-AIA 35 U.S.C. 112, 4th paragraph, as being of improper dependent form for failing to further limit the subject matter of the claim upon which it depends, or for failing to include all the limitations of the claim upon which it depends. The compounds of claim 8 are broader in scope than disclosed in independent claim 1. Compound 4-6 and 14 of claim 8 contain ring A where the heteroaryl is a multi-ring in which two of the rings are not connected by a carbon-carbon bond as required: PNG media_image1.png 150 426 media_image1.png Greyscale , PNG media_image2.png 216 392 media_image2.png Greyscale , PNG media_image3.png 222 406 media_image3.png Greyscale , PNG media_image4.png 184 394 media_image4.png Greyscale . Claim 16 is rejected as it fails to obviate the issue of claim 8 from which it depends. Similarly, claim 3 contains moieties for ring A where the rings are not fused by a carbon-carbon bond: PNG media_image5.png 150 188 media_image5.png Greyscale , PNG media_image6.png 126 238 media_image6.png Greyscale , PNG media_image7.png 154 240 media_image7.png Greyscale . Claim 11 is rejected as it fails to obviate the issue of claim 8 from which it depends. Applicant may cancel the claim(s), amend the claim(s) to place the claim(s) in proper dependent form, rewrite the claim(s) in independent form, or present a sufficient showing that the dependent claim(s) complies with the statutory requirements. 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(s) 1-7 and 9-15 are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being anticipated by US 2005/0245530 A1 by Borzilleri et al. The prior art discloses the compound below which reads on instant claims 1-7 and 9-15 (paragraph [0802]): PNG media_image8.png 346 342 media_image8.png Greyscale The compound above and is embraced by instant Formula 1 where X is O, A is PNG media_image9.png 142 172 media_image9.png Greyscale , B is PNG media_image10.png 182 316 media_image10.png Greyscale , Y is a nitrogen heteroatom, and each of R1, R2, R4 and R5 are hydrogen. Regarding the pharmaceutical composition of claims 9-15, the prior art teaches various oral forms comprising an excipient and the compound above as an active ingredient (paragraph [0138]). Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim(s) 1-7, 9-15 and 17-20 are rejected under 35 U.S.C. 103 as being unpatentable over US 2005/0245530 A1 by Borzilleri et al. Determining the scope and contents of the prior art. (See MPEP § 2141.01) The prior art teaches (title) “[m]onocyclic heterocycles as kinase inhibitors” and discloses the compound below (paragraph [0802]): PNG media_image8.png 346 342 media_image8.png Greyscale . The compound above reads on instant claims 1-7 and is embraced by instant Formula 1 where X is O, A is PNG media_image9.png 142 172 media_image9.png Greyscale , B is PNG media_image10.png 182 316 media_image10.png Greyscale , Y is a nitrogen heteroatom, and each of R1, R2, R4 and R5 are hydrogen. Regarding the pharmaceutical composition of claims 9-15, the prior art teaches various oral forms comprising an excipient and the compound above as an active ingredient (paragraph [0138]). Regarding instant claims 17-19, the prior art teaches a method of treating a proliferative disease such as cancer via modulation of Met kinase comprising administering the compound above to a subject (paragraph [0105]). Regarding instant claim 20, the prior art discloses that the compound above is useful for treating lung cancer, breast cancer, etc. (paragraph [0124]). Ascertainment of the differences between the prior art and the claims. (See MPEP § 2141.02) The prior art discloses a pharmaceutically acceptable salt of instant Formula 1 for treating cancer but does not disclose that the compound was administered to a subject. Finding of prima facie obviousness --- rationale and motivation (See MPEP § 2142-2143) A person of ordinary skill seeking to treat a subject having a protein kinase-mediated disease such as cancer would have been motivated to administer the prior art compound as taught by Borzilleri et al. to improve therapeutic outcomes. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ASHLI A CHICKS whose telephone number is (571)270-0582. The examiner can normally be reached M-Th 7 a.m.- 5 p.m.. 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. /A.A.C./Examiner, Art Unit 1626 /MATTHEW P COUGHLIN/Primary Examiner, Art Unit 1626
Read full office action

Prosecution Timeline

Dec 14, 2023
Application Filed
Feb 18, 2026
Non-Final Rejection — §102, §103, §112 (current)

Precedent Cases

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COMPOSITION CONTAINING NICOTINAMIDE MONONUCLEOTIDE AND MOGROSIDE, AND APPLICATION THEREOF
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JAK INHIBITOR COMPOUND AND PHARMACEUTICAL COMPOSITION INCLUDING THE SAME
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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
65%
Grant Probability
99%
With Interview (+43.9%)
3y 3m
Median Time to Grant
Low
PTA Risk
Based on 75 resolved cases by this examiner. Grant probability derived from career allow rate.

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