Prosecution Insights
Last updated: April 19, 2026
Application No. 17/277,020

USE OF PROBES TO DETECT TOXIC ALGAE, DETECTION METHOD AND CORRESPONDING KITS

Final Rejection §101§112
Filed
Mar 17, 2021
Examiner
SITTON, JEHANNE SOUAYA
Art Unit
1682
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Microbia Environnement
OA Round
4 (Final)
53%
Grant Probability
Moderate
5-6
OA Rounds
3y 11m
To Grant
99%
With Interview

Examiner Intelligence

Grants 53% of resolved cases
53%
Career Allow Rate
348 granted / 660 resolved
-7.3% vs TC avg
Strong +48% interview lift
Without
With
+47.6%
Interview Lift
resolved cases with interview
Typical timeline
3y 11m
Avg Prosecution
51 currently pending
Career history
711
Total Applications
across all art units

Statute-Specific Performance

§101
24.7%
-15.3% vs TC avg
§103
22.6%
-17.4% vs TC avg
§102
14.5%
-25.5% vs TC avg
§112
29.2%
-10.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 660 resolved cases

Office Action

§101 §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 . Status of Claims Currently, claims 30, 31, 33, and 35-41 are pending in the instant application. The claims were amended in the response filed 11/12/2025. Since claims 35-41 are in condition for allowance, the unity of invention requirement set forth in the restriction requirement dated 2/16/2024 has been reassessed and withdrawn. The remaining Group II claims 30, 31, and 33 are rejoined. The following rejections are newly applied as necessitated by amendment. They constitute the complete set being presently applied to the instant Application. This action is FINAL. Any rejection not reiterated is hereby withdrawn in view of the amendments to the claims. Claim Rejections - 35 USC § 101 35 U.S.C. 101 reads as follows: Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title. Claims 30, 31, and 33 are rejected under 35 U.S.C. 101 because the claimed invention is directed to product of nature without significantly more. This judicial exception is not integrated into a practical application and the claims do not include additional elements that are sufficient to amount to significantly more than the judicial exception for the reasons set forth below. 35 U.S.C. § 101 requires that to be patent-eligible, an invention (1) must be directed to one of the four statutory categories, and (2) must not be wholly directed to subject matter encompassing a judicially recognized exception. M.P.E.P. § 2106. Regarding judicial exceptions, “[p]henomena of nature, though just discovered, mental processes, and abstract intellectual concepts are not patentable, as they are the basic tools of scientific and technological work.” Gottschalk v. Benson, 409 U.S. 63, 67 (1972); see also M.P.E.P. § 2106, part II. The unpatentability of natural products was confirmed by the U.S. Supreme Court in Association for Molecular Pathology v. Myriad Genetics, Inc., , 133 S. Ct. 2107, 2116, (2013). Claims Analysis: As set forth in MPEP 2106, the claims have been analyzed to determine whether they are directed to one of the four statutory categories (STEP 1). The claims were then analyzed to determine if they recite a judicial exception (JE) (STEP 2A, prong 1) [Mayo Collaborative Services v. Prometheus Labs., Inc., 132 S. Ct. 1289, 1293 (2012), Alice Corp. Pry. Ltd. v. CLS Bank Int'l, 134 S. Ct. 2347 (2014)]. The claims were then analyzed to determine whether they recite an element or step that integrates the JE into a practical application (STEP 2A, prong 2) [Vanda Pharmaceuticals Inc., v. West-Ward Pharmaceuticals, 887 F.3d 1117 (Fed. Cir. 2018)]. In the absence of a step(s) or element(s) that integrate the JE into a practical application, the additional elements/steps have been considered to determine whether they add significantly more to the JE (STEP 2B) [Mayo Collaborative Services v. Prometheus Labs., Inc., 132 S. Ct. 1289, 1293 (2012), Alice Corp. Pry. Ltd. v. CLS Bank Int'l, 134 S. Ct. 2347 (2014)]. It was found that the present claims fail to meet the elements required for patent eligibility. The claims are directed to nucleic acid sequences (probes) and as such are directed to products. Accordingly, the claims are directed to one of the four statutory categories of invention. The claims are drawn to nucleic probes with the SEQ ID NOs recited in the claims. These SEQ ID NO: are fragments of naturally occurring sequences from the genus of toxic algae: Dinophysis and Alexandrium. As such the claims are directed to a product of nature which is a judicial exception. This judicial exception is not integrated into a practical application because the nucleic acid molecules encompassed by the claims convey the same genetic information as their naturally occurring counterparts. The Supreme Court has made clear "separating [DNA] from surrounding genetic material is not an act of invention" Myriad, 133 S. Ct. at 2117. In Myriad v. Ambry CAFC 2014-1361,1366, December 17, 2014, the CAFC further (regarding a claim directed to a pair of primers) stated “In fact, the naturally occurring genetic sequences at issue here do not perform a significantly new function. Rather, the naturally occurring material is used to form the first step in a chain reaction—a function that is performed because the primer maintains the exact same nucleotide sequence as the relevant portion of the naturally occurring sequence. One of the primary functions of DNA’s structure in nature is that complementary nucleotide sequences bind to each other. It is this same function that is exploited here—the primer binds to its complementary nucleotide sequence. Thus, just as in nature, primers utilize the innate ability of DNA to bind to itself.” The claims do not add significantly more than the naturally occurring products. The probes are fragments of naturally occurring sequences. None of these molecules are patent eligible, whether isolated or not, pursuant to the Supreme Court decision in Association for Molecular Pathology v. Myriad Genetics Inc., US (June 13, 2013). Accordingly, the claims are rejected as being directed to non-patentable subject matter. 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. Claims 30, 31, and 33 are rejected under 35 U.S.C. 112(b) as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor regards as the invention. The claims recite “a pair of probes” as well as “probe sets”, however the structural relationship between the probes in a “pair” of probes, or a “set” of probes is not clear. While a “composition”, for example, would refer to components in a single tube, and a “kit” would refer to components in a single package, the location of the components in a “pair” or a “set” is not clear. For example, are the probes in the same tube, in separate tubes but in the same package, in separate tubes but on the same lab bench, or in the same refrigerator, room, building… etc? Accordingly, the metes and bounds of the claims are unclear. Conclusion Claims 30, 31, and 33 are rejected. Claims 35-41 are allowed. Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to examiner Jehanne Sitton whose telephone number is (571) 272-0752. The examiner is a hoteling examiner and can normally be reached Mondays-Fridays from 8:00 AM to 2:00 PM Eastern Time Zone. 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, Winston Shen, can be reached on (571) 272-3157. The fax phone number for 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. /JEHANNE S SITTON/Primary Examiner, Art Unit 1682
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Prosecution Timeline

Mar 17, 2021
Application Filed
Oct 06, 2024
Non-Final Rejection — §101, §112
Jan 08, 2025
Response Filed
Apr 17, 2025
Final Rejection — §101, §112
Jul 15, 2025
Request for Continued Examination
Jul 18, 2025
Response after Non-Final Action
Sep 30, 2025
Non-Final Rejection — §101, §112
Nov 12, 2025
Response Filed
Nov 28, 2025
Final Rejection — §101, §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

5-6
Expected OA Rounds
53%
Grant Probability
99%
With Interview (+47.6%)
3y 11m
Median Time to Grant
High
PTA Risk
Based on 660 resolved cases by this examiner. Grant probability derived from career allow rate.

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