Prosecution Insights
Last updated: August 17, 2026
Application No. 18/516,512

HEART VALVE ATTACHMENT MECHANISM

Non-Final OA §102
Filed
Nov 21, 2023
Priority
Nov 23, 2022 — provisional 63/427,669
Examiner
STEWART, ALVIN J
Art Unit
3799
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Boston Scientific Corporation
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
1m
Est. Remaining
83%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
910 granted / 1105 resolved
+12.4% vs TC avg
Minimal +0% lift
Without
With
+0.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
26 currently pending
Career history
1135
Total Applications
across all art units

Statute-Specific Performance

§101
1.9%
-38.1% vs TC avg
§103
37.2%
-2.8% vs TC avg
§102
35.0%
-5.0% vs TC avg
§112
14.6%
-25.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1105 resolved cases

Office Action

§102
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 . Election/Restrictions Applicant’s election without traverse of Invention II in the reply filed on 5/19/26 is acknowledged. Claims 1-6 and 15-20 are withdrawn from further consideration pursuant to 37 CFR 1.142(b), as being drawn to a nonelected Group, there being no allowable generic or linking claim. Applicant timely traversed the restriction (election) requirement in the reply filed on 5/19/26. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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)(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. Claims 7-12 are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Srinimukesh et al US Patent 11,684,474 B2. Srinimukesh et al discloses a replacement heart valve system (100), comprising a replacement heart valve implant (1010), comprising an expandable framework (1033) configured to shift between a radially collapsed configuration and a radially expanded configuration; and a plurality of valve leaflets (not shown) secured to the expandable framework. Wherein the expandable framework (1010) includes a tubular wall defining an inflow end and an outflow end, wherein the inflow end includes an attachment tab (214) extending radially inward from the tubular wall (See Fig. 3). The system also includes an implant delivery system (100) comprising a handle (110, see Fig. 1) and an elongate shaft (114) assembly extending distally from the handle (110) wherein a distal portion of the elongate shaft assembly includes an implant holding portion (202) configured to engage with the replacement heart valve implant in the radially collapsed configuration. Regarding claim 8, the outer tubular member (114) extends distally from the handle (110) and an inner shaft (124) extending distally from the handle within the outer tubular member (114) to a distal tip (See Fig. 22). Regarding claim 9, see Figs. 19 and 22 disclosing a proximal sheath (114) and a distal heath (118). Regarding claim 10, see Fig. 27F, showing that the distal portion includes the inflow end of the heart valve. Regarding claim 11, see Fig. 24 showing the stent holder (132) and the groove. Regarding claim 12, see figure below for examiner’s interpretation of the slot aligned with the groove. Regarding the atraumatic transition shield (see the taper configuration of element 132 in Fig. 24. PNG media_image1.png 496 413 media_image1.png Greyscale Allowable Subject Matter Claims 13-14 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. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ALVIN J STEWART whose telephone number is (571)272-4760. The examiner can normally be reached Monday-Friday 8:30AM-6PM 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, Thomas Barrett can be reached at 571-272-4746. 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. /ALVIN J STEWART/Primary Examiner, Art Unit 3799 7/28/26
Read full office action

Prosecution Timeline

Nov 21, 2023
Application Filed
Jul 30, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12702797
DELIVERY SYSTEM FOR A HEART VALVE SUPPORT DEVICE
4y 6m to grant Granted Aug 11, 2026
Patent 12697420
DRUG-ELUTING MEDICAL IMPLANTS
6y 4m to grant Granted Aug 04, 2026
Patent 12697206
FRAME FOR A PROSTHETIC VALVE DEVICE AND METHOD OF FORMING THE SAME
3y 0m to grant Granted Aug 04, 2026
Patent 12697221
RIGID SEGMENTED FLEXIBLE ANCHORS
2y 9m to grant Granted Aug 04, 2026
Patent 12690968
DELIVERY APPARATUS AND METHODS FOR IMPLANTING PROSTHETIC HEART VALVES
3y 10m to grant Granted Jul 28, 2026
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
82%
Grant Probability
83%
With Interview (+0.4%)
2y 10m (~1m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1105 resolved cases by this examiner. Grant probability derived from career allowance rate.

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