Prosecution Insights
Last updated: April 19, 2026
Application No. 17/960,480

PROSTHETIC HEART VALVE DELIVERY APPARATUS

Non-Final OA §102§103
Filed
Oct 05, 2022
Examiner
MANNAN, MIKAIL A
Art Unit
3774
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Edwards Lifesciences Corporation
OA Round
1 (Non-Final)
69%
Grant Probability
Favorable
1-2
OA Rounds
3y 6m
To Grant
92%
With Interview

Examiner Intelligence

Grants 69% — above average
69%
Career Allow Rate
208 granted / 302 resolved
-1.1% vs TC avg
Strong +24% interview lift
Without
With
+23.5%
Interview Lift
resolved cases with interview
Typical timeline
3y 6m
Avg Prosecution
63 currently pending
Career history
365
Total Applications
across all art units

Statute-Specific Performance

§101
1.1%
-38.9% vs TC avg
§103
44.8%
+4.8% vs TC avg
§102
26.2%
-13.8% vs TC avg
§112
21.4%
-18.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 302 resolved cases

Office Action

§102 §103
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 Group I, Species B in the reply filed on 12/9/25 is acknowledged. In addition, claims 33-37 are withdrawn from consideration by the examiner as being directed to a non-elected invention. Claim Objections Claim 32 is objected to because of the following informalities: Claim 32, line 13 recites “as it passes through the tip portion.” should be changed to read “as it passes through the tip portion,”. Appropriate correction is required. 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 17-31 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Zhou (US2019/0030299). Regarding claim 17, Zhou discloses a delivery sheath system comprising: a sheath member (sheath 8) defining a tubular structure extending between a proximal end and a distal end of the sheath member ([0086]); a ring portion (portion of the sheath 8 proximal to the flared portion 78, see Fig. 24) provided at the distal end of the sheath member (see Fig. 24); and a tip portion (flared portion 78) extending from a distal end of the ring portion (see Fig. 24), the tip portion including a longitudinally extending folding region (see Fig. 25, [0086]) movable between a folded and unfolded configuration ([0086]), in the folded configuration the tip portion creases along a longitudinally extending edge such that circumferential portions of the tip portion at least partially overlap (see Fig. 25), wherein, in the unfolded configuration, the tip portion defines an increasing tapered surface having a larger diameter at a distal end of the tip portion (Fig. 24). Regarding claim 18, Zhou discloses delivery sheath system of claim 17, wherein the tip portion includes a plurality of folding regions circumferentially spaced around the tip portion (see Fig. 25, [0086]). Regarding claim 19, Zhou discloses the delivery sheath system of claim 18, wherein the plurality of folding regions include a first folding region (folding region between the first longitudinal edge and second longitudinal edge as shown in annotated Fig. 25) defined by a first circumferential portion (outward facing folded surface between first longitudinal edge and second longitudinal edge as shown in annotated Fig. 25), a first and second longitudinal edges (see annotated Fig. 25), and a second circumferential portion (inward facing folded surface between first longitudinal edge and second longitudinal edge as shown in annotated Fig. 25) extending between the first and second longitudinal edges, wherein the first folding region is configured to crease at the first and second longitudinal edges into the folded configuration such that the first and second circumferential portions at least partially overlap (see annotated Fig. 25), and the second circumferential portion is radially inward of the first circumferential portion (see annotated Fig. 25). PNG media_image1.png 357 516 media_image1.png Greyscale Regarding claim 20, Zhou discloses the delivery sheath system of claim 19, wherein the plurality of folding regions include a second folding region (folding region between the third longitudinal edge and fourth longitudinal edge as shown in annotated Fig. 25-2) defined by a third circumferential portion (outward facing folded surface between first longitudinal edge and second longitudinal edge as shown in annotated Fig. 25-2), a third and fourth longitudinal edge (see annotated Fig. 25-2), and a fourth circumferential portion (inward facing folded surface between first longitudinal edge and second longitudinal edge as shown in annotated Fig. 25-2) extending between the third and fourth longitudinal edges, wherein the second folding region is configured to crease at the third and fourth longitudinal edges into the folded configuration such that the third and fourth circumferential portions at least partially overlap (see annotated Fig. 25-2), and the fourth circumferential portion is radially inward of the third circumferential portion (see annotated Fig. 25-2). PNG media_image2.png 363 587 media_image2.png Greyscale Regarding claim 21, Zhou discloses the delivery sheath system of claim 20, wherein the first folding region and the second folding region are spaced circumferentially around the tip portion on opposing sides of a fifth circumferential region (see annotated Fig. 25-2), wherein the fifth circumferential region extends between the second and third longitudinal edges (see annotated Fig. 25-2). Regarding claim 22, Zhou discloses the delivery sheath system of claim 21, wherein, in the folded configuration, the fifth circumferential portion is radially inward of the second and fourth circumferential portions (see annotated Fig. 25-2, where the fifth circumferential portion is interpreted as a portion of the inner lumen wall of the sheath 8). Regarding claim 23, Zhou discloses the delivery sheath system of claim 21, wherein a width of the fifth circumferential portion measured around the circumference of the tip portion is less than a width of the first and third circumferential portions (the width of the fifth circumferential portion is interpreted as portion of the inner lumen wall of the sheath that is curved, yet has a smaller width than the first and third circumferential portions from annotated Fig. 25 & 25-2). Regarding claim 24, Zhou discloses the delivery sheath system of claim 21, wherein a width of either of the second and fourth circumferential portions is less than the width of the fifth circumferential portion (the width of the fifth circumferential portion is interpreted as portion of the inner lumen wall of the sheath that is curved and larger than a width of the first and third circumferential portions from annotated Fig. 25 & 25-2). Regarding claim 25, Zhou discloses the delivery sheath system of claim 17, wherein the ring portion defines an elongated tubular structure having a central lumen extending therethrough (see Fig. 23, [0086]), the central lumen of the ring portion comprising a cylindrically-shaped inner surface, the ring portion further comprising a cylindrically-shaped outer surface (see Fig. 23, [0086]). Regarding claim 26, Zhou discloses the delivery sheath system of claim 17, wherein an inner diameter of a central lumen extending through the ring portion corresponds to an inner diameter of a central lumen of the sheath member (see Fig. 23). Regarding claim 27, Zhou discloses the delivery sheath system of claim 17, wherein a diameter of the tip portion in the folded configuration corresponds to a diameter of the ring portion (see Fig. 23), wherein a diameter of the tip portion in the unfolded configuration is greater than a diameter of the ring portion (see Fig. 24, [0086]). Regarding claim 28, Zhou discloses the delivery sheath system of claim 17, wherein the tip portion is formed from a conical tubular structure (see tip portion as shown in Figs. 23 and 25 that forms a conical structure with the folded portions). Regarding claim 29, Zhou discloses the delivery sheath system of claim 17, wherein the tip portion further comprises a conically-shaped outer surface when the tip portion is in the unfolded configuration (the tip portion outer surface unfolds to a frustoconical configuration as shown in Fig. 24), and a conically-shaped inner surface when the tip portion is in the unfolded configuration (inner surface extends along the same plane as outer surface, see Fig. 23). Regarding claim 30, Zhou discloses the delivery sheath system of claim 17, wherein an inner diameter of a central lumen extending through the tip portion corresponds to an inner diameter of a central lumen of the ring portion (see Fig. 24). Regarding claim 31, Zhou discloses the delivery sheath system of claim 17, wherein the tip portion and the ring portion form a continuous central lumen extending between a proximal end of the ring portion and a distal end of the tip portion (see Fig. 24). Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim 32 is rejected under 35 U.S.C. 103 as being unpatentable over Zhou (US2019/0030299) Regarding claim 32, Zhou discloses the delivery sheath system of claim 17, further comprising a self- expandable prosthetic heart valve ([0058]), wherein central lumens of both the sheath member and the ring portion are sized and configured to receive the prosthetic heart valve in a compressed configuration ([0058]), wherein the tip portion moves from the folded to the unfolded configuration in response to the outward directed radial force of the prosthetic heart valve as it passes through the tip portion (the tip portion is at least capable of moving from the folded to the unfolded configuration when the prosthetic heart valve is passed through it, since the sheath 8 can be used for retrieval and delivery of the prosthetic heart valve, [0058], [0086]), wherein movement from the folded configuration to the unfolded configuration causes the tip portion to transition from an elongated cylindrical shape to a conical shape defining an increasing tapered inner surface (the unfolded configuration as shown in Fig. 24 has a substantially conical shape), where the diameter of the distal end of the tip portion is greater than a diameter of a proximal end of the tip portion (see Fig. 24), wherein the prosthetic heart valve at least partially expands from a compressed configuration towards an expanded configuration as it passes through the tip portion (the prosthetic heart valve is capable of partially expanding as it passes through the sheath 8 by the unfolding of the tip portion or the material of the sheath 8, [0086]). Zhou does not explicitly recite wherein the tip portion is biased towards the folded configuration such that the tip portion moves towards the folded configuration after the prosthetic heart valve passes through the tip portion. Zhou according to other embodiments teaches the sheath 8 being made of a material that urges the inner tubular layer back to the initial diameter once the implant has passed ([0069]). It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have modified the material of the sheath to be made of a material that urges back into the originally folded shape for a reduced diameter configuration for removing the sheath after passage or retrieval of an implant ([0069]). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to MIKAIL A MANNAN whose telephone number is (571)270-1879. The examiner can normally be reached M-F 10-6. 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, Melanie Tyson can be reached on (571)272-9062. 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. /MIKAIL A MANNAN/Examiner, Art Unit 3774 /THOMAS C BARRETT/SPE, Art Unit 3799
Read full office action

Prosecution Timeline

Oct 05, 2022
Application Filed
Jan 04, 2026
Non-Final Rejection — §102, §103 (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
69%
Grant Probability
92%
With Interview (+23.5%)
3y 6m
Median Time to Grant
Low
PTA Risk
Based on 302 resolved cases by this examiner. Grant probability derived from career allow rate.

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