Prosecution Insights
Last updated: July 17, 2026
Application No. 18/053,314

SYSTEMS AND METHODS FOR TREATING CANCER USING BRACHYTHERAPY

Final Rejection §103§112
Filed
Nov 07, 2022
Priority
Jul 24, 2009 — provisional 61/271,774 +6 more
Examiner
COX, THADDEUS B
Art Unit
3791
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Voxel Rad Ltd.
OA Round
2 (Final)
77%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
96%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allowance Rate
885 granted / 1145 resolved
+7.3% vs TC avg
Strong +18% interview lift
Without
With
+18.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
41 currently pending
Career history
1194
Total Applications
across all art units

Statute-Specific Performance

§101
3.2%
-36.8% vs TC avg
§103
47.3%
+7.3% vs TC avg
§102
20.1%
-19.9% vs TC avg
§112
23.9%
-16.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1145 resolved cases

Office Action

§103 §112
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application is being examined under the pre-AIA first to invent provisions. This Office Action is responsive to the Amendment filed 07 May 2026. Claims 1, 3-9, 11, 12, 17, 19, and 21-28 are currently under consideration. The Office acknowledges the amendments to claims 1, 7, 8, and 19, as well as the cancellation of claims 2, 10, 13-16, 18, and 20, and the addition of new claims 21-28. Terminal Disclaimer The terminal disclaimer filed on 07 May 2026 disclaiming the terminal portion of any patent granted on this application which would extend beyond the expiration date of U.S. Patent Nos. 9,295,491, 9,295,856, 10,016,619, and 11,491,346 has been reviewed and is accepted. The terminal disclaimer has been recorded. Claim Objections Claims 1, 8, 23, and 25 are objected to because of the following informalities: In claim 1, line 6: “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 1, line 7: “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 1, line 8: “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 8, line 2: “the first and second ovoids” should apparently read --the first and second inflatable ovoids--. In claim 23, line 2 (two instances): “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 23, line 3: “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 25, line 5: “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 25, line 6: “the ovoids” should apparently read --the first and second inflatable ovoids--. In claim 25, line 7: “the ovoids” should apparently read --the first and second inflatable ovoids--. Appropriate correction is required. 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, 3-9, 11, 12, 17, 19, and 25-28 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. Claim 1 recites the limitation "the fornices" in line 8. There is insufficient antecedent basis for this limitation in the claim. Claim 1 also recites the limitation "fornices" in line 16. It is not clear if this is intended to refer to the same fornices recited in line 8 or to separate fornices. Claims 3-9, 11, 12, 17, and 19 are rejected by virtue of their dependence upon claim 1. Claim 25 recites the limitation "the fornices" in line 7. There is insufficient antecedent basis for this limitation in the claim. Claim 25 also recites the limitation "fornices" in line 8. It is not clear if this is intended to refer to the same fornices recited in line 7 or to separate fornices. Claims 26-28 are rejected by virtue of their dependence upon claim 25. Allowable Subject Matter Claims 21-24 are allowed. Claims 1, 3-9, 11, 12, 17, 19, and 25-28 would be allowable if rewritten or amended to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action. The following is an examiner’s statement of reasons for allowance and the indication of allowable subject matter: neither Isham nor any other prior art of record teaches or reasonably suggests such systems for treating cervical and/or uterine cancers with such an intracavitary brachytherapy applicator with a tandem, inflatable ovoids, and an ovoid support mechanism, along with such first and second inflatable retractor balloons coupled (respectively) to first and second retractor catheters and first and second retractor supports that are releasably coupled to the ovoid assembly at different positions. Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee. Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.” Response to Arguments Applicant’s arguments with respect to the objection to the specification and the rejections under 35 U.S.C. 112(a), (b), and (d) have been fully considered and are persuasive in light of the amendments and claim cancelations. The objections and rejections have been withdrawn. Applicant’s arguments with respect to the rejections under 35 U.S.C. 103 have been fully considered and are persuasive in light of the amendments. The rejections have been withdrawn. Applicant’s arguments with respect to the double patenting rejections have been fully considered and are persuasive in light of the Terminal Disclaimer (detailed supra). The rejections have been withdrawn. Conclusion 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 THADDEUS B COX whose telephone number is (571)270-5132. The examiner can normally be reached M-F 9am-6pm. 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, Jason M. Sims can be reached at (571)272-7540. 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. /THADDEUS B COX/Primary Examiner, Art Unit 3791
Read full office action

Prosecution Timeline

Nov 07, 2022
Application Filed
Nov 07, 2025
Non-Final Rejection mailed — §103, §112
May 07, 2026
Response Filed
May 21, 2026
Final Rejection mailed — §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

3-4
Expected OA Rounds
77%
Grant Probability
96%
With Interview (+18.3%)
2y 9m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1145 resolved cases by this examiner. Grant probability derived from career allowance rate.

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