Prosecution Insights
Last updated: August 18, 2026
Application No. 17/921,582

PSEUDO-COMPLEMENTARY BASES IN GENOTYPING AND NUCLEIC ACID SEQUENCING

Non-Final OA §112
Filed
Oct 26, 2022
Priority
Apr 28, 2020 — provisional 63/016,893 +1 more
Examiner
BROWN, MINDY G
Art Unit
1683
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Cepheid
OA Round
3 (Non-Final)
52%
Grant Probability
Moderate
3-4
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 52% of resolved cases
52%
Career Allowance Rate
66 granted / 126 resolved
-7.6% vs TC avg
Strong +48% interview lift
Without
With
+47.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
25 currently pending
Career history
139
Total Applications
across all art units

Statute-Specific Performance

§101
13.8%
-26.2% vs TC avg
§103
30.4%
-9.6% vs TC avg
§102
9.5%
-30.5% vs TC avg
§112
35.1%
-4.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 126 resolved cases

Office Action

§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 . Claim Status Claims 1-12, 14-18, and 21 are pending. Claims 13, 19, and 20 are cancelled. Claims 7-12 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 9/10/2025. Claims 1-6, 14-18, and 21 are examined on the merits. 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. Claims 1-6, 14-18, and 21 are 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. Independent claims 1 and 5 recite a capture oligonucleotide that is complementary to the complementary single strand of the second nucleotide sequence, AND the capture oligonucleotide comprises a reverse complement to the blocker oligonucleotide. The claims also recite that the capture oligonucleotide comprises one or more second modified bases but does not indicate if the modified bases are located within the portion of the capture oligonucleotide that is complementary to the complementary single strand of the second nucleotide sequence or the portion that is the reverse complement to the blocker oligonucleotide. The way the claims are written, both of the above portions are within the same capture oligonucleotide. It is not clear what the structure of the capture oligonucleotide is and how it hybridizes to both the blocker and the complementary strand of the second nucleotide sequence. Furthermore, the two sequences, as described will not bind to each other to form a structure like a hairpin probe. The specification describes a capture oligonucleotide that is a quencher, however the capture oligonucleotide and quencher are described in the specification as separate oligos. Additionally, the oligo that binds the blocker and the oligo that binds the complementary sequence of the second nucleotide sequence are separate oligos in the specification, not within the same oligo as recited in claims 1 and 5. [0179]. Claims 2-4, 6, 14-18, and 21 are included as they do not clarify the structure of the capture oligo. Conclusion No claims are allowed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to MINDY G BROWN whose telephone number is (571)270-5605. The examiner can normally be reached Monday -Friday, 9:00 am - 5:00 pm EST. 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, Anne Gussow can be reached at (571) 272-6047. 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. /MINDY G BROWN/Patent Examiner, Art Unit 1683 /ANNE M. GUSSOW/Supervisory Patent Examiner, Art Unit 1683
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Prosecution Timeline

Oct 26, 2022
Application Filed
Oct 17, 2025
Non-Final Rejection mailed — §112
Nov 20, 2025
Response Filed
Nov 20, 2025
Response after Non-Final Action
Feb 03, 2026
Final Rejection mailed — §112
Jun 03, 2026
Request for Continued Examination
Jun 08, 2026
Response after Non-Final Action
Jul 07, 2026
Non-Final Rejection mailed — §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

3-4
Expected OA Rounds
52%
Grant Probability
99%
With Interview (+47.5%)
2y 8m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 126 resolved cases by this examiner. Grant probability derived from career allowance rate.

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