Prosecution Insights
Last updated: April 19, 2026
Application No. 18/259,888

COMPOUNDS AND METHODS FOR MODULATING FXR

Non-Final OA §102§103§112
Filed
Jun 29, 2023
Examiner
SOLOLA, TAOFIQ A
Art Unit
1625
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Terns Pharmaceuticals Inc.
OA Round
1 (Non-Final)
75%
Grant Probability
Favorable
1-2
OA Rounds
2y 3m
To Grant
92%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allow Rate
1095 granted / 1464 resolved
+14.8% vs TC avg
Strong +17% interview lift
Without
With
+16.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
19 currently pending
Career history
1483
Total Applications
across all art units

Statute-Specific Performance

§101
2.2%
-37.8% vs TC avg
§103
29.5%
-10.5% vs TC avg
§102
15.6%
-24.4% vs TC avg
§112
33.2%
-6.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1464 resolved cases

Office Action

§102 §103 §112
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 . Claims 1-5, 8-11, 14-29, are pending in this application. Claims 6-7, 12-13, 30-35, are deleted. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: 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 27, 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. The claim requires reading table 1, from the specification into it, contrary to several precedent decisions by the US courts. Adding the compounds to the claim will obviate the rejection. 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. Claims 1-5, 10-11, 14-16, 18-21, 23-29, are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Xu et al., WO2020/211872, which teaches the following compounds and compositions thereof, useful for treating FXR related diseases: PNG media_image1.png 264 574 media_image1.png Greyscale , PNG media_image2.png 320 572 media_image2.png Greyscale , PNG media_image3.png 276 568 media_image3.png Greyscale , PNG media_image4.png 274 552 media_image4.png Greyscale , PNG media_image5.png 274 604 media_image5.png Greyscale , PNG media_image6.png 276 568 media_image6.png Greyscale , PNG media_image7.png 280 614 media_image7.png Greyscale , PNG media_image8.png 322 606 media_image8.png Greyscale , PNG media_image9.png 318 648 media_image9.png Greyscale , PNG media_image10.png 322 572 media_image10.png Greyscale , PNG media_image11.png 320 568 media_image11.png Greyscale , PNG media_image12.png 316 572 media_image12.png Greyscale , PNG media_image13.png 274 560 media_image13.png Greyscale , PNG media_image14.png 320 576 media_image14.png Greyscale , PNG media_image15.png 318 572 media_image15.png Greyscale , PNG media_image16.png 320 602 media_image16.png Greyscale , PNG media_image17.png 316 566 media_image17.png Greyscale , PNG media_image18.png 322 602 media_image18.png Greyscale , PNG media_image19.png 322 600 media_image19.png Greyscale , PNG media_image20.png 282 598 media_image20.png Greyscale , PNG media_image21.png 320 602 media_image21.png Greyscale , PNG media_image22.png 318 650 media_image22.png Greyscale , PNG media_image23.png 314 648 media_image23.png Greyscale , PNG media_image24.png 318 646 media_image24.png Greyscale , PNG media_image25.png 294 616 media_image25.png Greyscale , PNG media_image26.png 316 648 media_image26.png Greyscale , PNG media_image27.png 274 608 media_image27.png Greyscale , PNG media_image28.png 272 608 media_image28.png Greyscale , PNG media_image29.png 272 640 media_image29.png Greyscale , PNG media_image30.png 274 680 media_image30.png Greyscale , PNG media_image31.png 312 568 media_image31.png Greyscale , PNG media_image32.png 312 570 media_image32.png Greyscale , PNG media_image33.png 270 618 media_image33.png Greyscale , PNG media_image34.png 270 656 media_image34.png Greyscale , PNG media_image35.png 272 678 media_image35.png Greyscale , PNG media_image36.png 274 604 media_image36.png Greyscale , PNG media_image37.png 268 652 media_image37.png Greyscale , PNG media_image38.png 314 566 media_image38.png Greyscale , wherein R1, R2 are halogen, substituted alkyl, substituted alkoxyl; L is optionally substituted phenylene, 6-memebered heteroaryl; X is 5-memebered heteroaryl, substituted by oxo; m is 0-2; n is 1-2; p, q, are 0 (Ra, Rb are absent) or p, q, are 1, (wherein Ra, Rb, may form a bridge with the carbons they are attached). See the attached abstract. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103(a) which forms the basis for all obviousness rejections set forth in this Office action: (a) A patent may not be obtained though the invention is not identically disclosed or described as set forth in section 102 of this title, if the differences between the subject matter sought to be patented and the prior art are such that the subject matter as a whole would have been obvious at the time the invention was made to a person having ordinary skill in the art to which said subject matter pertains. Patentability shall not be negatived by the manner in which the invention was made. Claims 8-9, are rejected under 35 U.S.C. 103(a) as being unpatentable over Xu et al., WO2020/211872, alone or in view of Patani et al., Chem. Rev. (1996) 96, pp. 3147-3149. Xu et al., teaches as set forth above under anticipatory rejection. In claims 8-9, applicant replaced H with F at one of Ra, Rb. From the substituents on L (phenylene) in the prior art, it is clear that H and F are equivalents. Also, the invention is obvious in view of Patani et al., which teaches H and F are bioisosteres equivalents, and that it is a routine practice in the art to replace H with F. The prior art teaches the advantages of replacing H with F in pharmaceuticals. See the entire document, particularly, page 3149, C1, last two ¶s. In the instant invention H and F are equivalents because, they are claimed as such, e.g. at positions R1 and R2. A showing of sufficiently close structural relationship is enough to create an expectation of similar properties, in light of the totality of prior arts, that the new compound will have "similar properties" to the old. Motivation is found in the expectation that similar compounds will have similar properties. A disclosure of new property does not defeat such expectation. Dillon, 16 USPQ2d, 1897 (Fed Cir, 1990). In the instant and the prior art, the compounds are FXR modulators. As held in KSR Int. Co. v. Teleflex Inc, 550 U.S. 82 USPQ2d 1385 (2007), “when a work is available in one field of endeavor, design incentives and other market forces can prompt variations of it, either in the same field or a different one. If a person of ordinary skill can implement a predictable variation, 103 likely bars its patentability. For the same reason if a technique has been used to improve one device, and a person of ordinary skill in the art would recognize that it would improve similar devices in the same way, using the technique is obvious unless its actual application is beyond his or her skill.” In the instant, it is not beyond the ordinary skill of a Scientist to use conventional technique in replacing one equivalent with another at the time the invention was made. This is deemed invention of reasoning, not of creativity, KSR. Having known the compounds are equivalents and are expected to have similar chemical and biological properties, a POSA would have known and be motivated to make the substitution at the time the invention was made. There is reasonable expectation of success because such substitution is a routine practice in the art. The claims are not allowable over the combination of the prior arts and knowledge well-known in the art. Objection Claims 17, 22, 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. Telephone Inquiry Any inquiry concerning this communication or earlier communications from the examiner should be directed to Taofiq A. Solola, whose telephone number is (571) 272-0709. If attempts to reach the examiner by telephone are unsuccessful, the examiner's supervisor, Andy Kosar, can be reached on (571) 272-0913. The fax phone number for this Group is (571) 273-8300. Any inquiry of a general nature or relating to the status of this application or proceeding should be directed to the Group receptionist whose telephone number is (571) 272-1600. /TAOFIQ A SOLOLA/ Primary Examiner, Art Unit 1625 October 10, 2025
Read full office action

Prosecution Timeline

Jun 29, 2023
Application Filed
Nov 02, 2025
Non-Final Rejection — §102, §103, §112 (current)

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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
75%
Grant Probability
92%
With Interview (+16.9%)
2y 3m
Median Time to Grant
Low
PTA Risk
Based on 1464 resolved cases by this examiner. Grant probability derived from career allow rate.

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