Prosecution Insights
Last updated: April 17, 2026
Application No. 18/049,539

RESEALING CAP FOR INTRAVENOUS (IV) BAG SPIKE PORT

Non-Final OA §102§103
Filed
Oct 25, 2022
Examiner
RASSAVONG, ERIC
Art Unit
3781
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
unknown
OA Round
3 (Non-Final)
72%
Grant Probability
Favorable
3-4
OA Rounds
2y 5m
To Grant
99%
With Interview

Examiner Intelligence

Grants 72% — above average
72%
Career Allow Rate
110 granted / 152 resolved
+2.4% vs TC avg
Strong +33% interview lift
Without
With
+33.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
56 currently pending
Career history
208
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
53.4%
+13.4% vs TC avg
§102
23.2%
-16.8% vs TC avg
§112
14.5%
-25.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 152 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 . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 02/26/2026 has been entered. Status of Claims Claims 1-7 and 9 are currently pending. Claim 1 is currently amened. Claims 8 and 10 are cancelled. No new subject matter is added. 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)(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 1-6 and 9 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Fangrow et al. (WO 2018071717 A1), hereinafter referred to as “Fangrow”. Regarding Claim 1, Fangrow teaches a resealing cap for an intravenous (IV) bag spike port (a sanitizing cap that can be used to disinfect and/or protect medical connectors. A cap may be used with intravascular connectors associated with a resealable fluid line connector, such as an IV line, see Paragraph [0066]), the resealing cap comprising: a monolithic housing (single piece housing of cap 82, see Figure 2) comprising: at least one first sidewall (one side of wall 83, see below) having an interior surface (interior surface 87), a first end of the housing (see annotated Figure 2), PNG media_image1.png 677 683 media_image1.png Greyscale an opening at a second end of the housing (see annotated Figure 2), a tab (outer flange 725; embodiments may be combined, see Paragraph [0065]; Figure 7B) extending radially outward from the at least one first sidewall (extending radially from the sidewall, see Figure 7A-B) at the second end of the resealing cap (at the proximal end 702) along a part of a perimeter of the at least one first sidewall (see Figure 7B), wherein the tab is configured to aid in placing or removing the resealing cap on the IV bag spike port (facilitates storage or transfer of medical fluid or connection of medical fluid lines (e.g., any open or resealable IV bag), see Paragraph [0066]; the flange 725 can be gripped by the user to remove/place the cap), and wherein the interior surface defines a passageway extending between the first end and the opening (interior surface 87 creates chamber from the first end to opening, see Figure 2); and wherein the housing further comprises a second sidewall at the first end (see annotated Figure 2), the second sidewall having a thickness substantially equal to a thickness of the at least one first sidewall (the sidewalls are equally thick, see Figure 2). Regarding Claim 2, Fangrow further teaches wherein the housing comprises a medical grade material (the antiseptic cap 82 can comprise any suitable material including a thermoplastic elastomer for medical connectors, see Paragraph [0071]). Regarding Claim 3, Fangrow further teaches wherein the housing comprises an elastic material (the antiseptic cap 82 can comprise any suitable material including a thermoplastic elastomer, see Paragraph [0071]). Regarding Claim 4, Fangrow further teaches wherein the housing further comprises a removable seal (lid 450 may be configured to attach to one or more portions of the antiseptic cap 82, see Paragraph [0144]) reversibly located on the second end and covering the opening (placed on end 408, see Figures 13A-B; Paragraph [0144]-[0147]; any feature, structure, material, step, or component of any embodiment described and/or illustrated in this specification can be used by itself, or with or instead of any other feature, structure, material, step, or component of any other embodiment described and/or illustrated in this specification, see Paragraph [0065]). Regarding Claim 5, Fangrow further teaches wherein the housing is cylindrical (cap 82 is cylindrical, see Figure 2). Regarding Claim 6, Fangrow further teaches a plurality of internal threads on the interior surface of the housing (threads 200 may extend along about one half of the length of the interior surface 87 of the antiseptic cap 82, see Paragraph [0085]; Figure 2). Regarding Claim 9, Fangrow further teaches an extension tube (a medical connector, see Paragraph [0069]), wherein the extension tube is configured to be inserted into the passageway of the housing through the opening (the chamber 84 can be configured to be removably attached to a medical connector, see Paragraph [0069]). 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claims 7 is rejected under 35 U.S.C. 103 as being unpatentable over Fangrow (WO 2018071717 A1) in view of Birch (US 20130092274 A1). Regarding Claim 7, Fangrow teaches all of the limitations as discussed above in claim 1. However, Fangrow does not explicitly disclose further comprising knurling on an exterior surface of the housing. Birch teaches a resealing cap for an intravenous (IV) port (a cover device 100, see Figure 1; Paragraph [0027]) comprising knurling on an exterior surface of the housing (a gripping surface 210 may be on a portion of the outer surface 110 of the cover device 100, see Figure 1; Paragraph [0036]). Fangrow and Birch are analogous art because both teach a sealing cap for an intravenous port. It would have been obvious to a person having ordinary skill in the art before the effective filling date of the invention to modify the resealable cap of Fangrow and further include knurling on an exterior surface of the housing, as taught by Birch. Birch teaches a knurling surface increases a coefficient of friction between a grasping member (e.g., finger(s)) of a user and the at least one arm to allow hands or fingers to get a better grip on the knurled object than would be provided by the originally smooth surface, see Paragraph [0036]). Response to Arguments Applicant's arguments filed 02/10/2026 have been fully considered but they are not persuasive. PNG media_image2.png 407 857 media_image2.png Greyscale Specifically applicant argues in Claim 1 that the outer flange (125) of Fangrow fails to teach the newly amended limitation “tab extending radially outward from the at least one first sidewall at the second end of the resealing cap along a part of a perimeter of the at least one first sidewall”. The examiner agrees with the applicant that the outer flange (125) does not radially extend along at a second end of the resealing cap along a perimeter of the first sidewall. Accordingly, Claim 1 is now interpreted to have the tab as outer flange (725) which extends from the second end the resealing cap along a perimeter of the first sidewall (see below). Therefore, Claim 1 and its dependents remain rejected in view of Fangrow. Applicant’s arguments with respect to prior art of Solomon have been considered but are moot because the new ground of rejection does not rely on any reference applied in the prior rejection of record for any teaching or matter specifically challenged in the argument. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ERIC RASSAVONG whose telephone number is (408)918-7549. The examiner can normally be reached Monday - Friday 9:00am-5:30pm PT. 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, Sarah Al-Hashimi can be reached at (571) 272-7159. 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. /ERIC RASSAVONG/ (4/3/2026)Examiner, Art Unit 3781 /JESSICA ARBLE/Primary Examiner, Art Unit 3781
Read full office action

Prosecution Timeline

Oct 25, 2022
Application Filed
Mar 06, 2025
Non-Final Rejection — §102, §103
Aug 21, 2025
Response Filed
Dec 17, 2025
Final Rejection — §102, §103
Feb 10, 2026
Response after Non-Final Action
Feb 26, 2026
Request for Continued Examination
Mar 17, 2026
Response after Non-Final Action
Apr 04, 2026
Non-Final Rejection — §102, §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12582759
Negative Pressure Charged Vibration Mechanism For Intermittent Wound Dressing Vibration
2y 5m to grant Granted Mar 24, 2026
Patent 12558251
BASE PLATE FOR AN OSTOMY APPLIANCE
2y 5m to grant Granted Feb 24, 2026
Patent 12539233
SYSTEMS, DEVICES, AND METHODS FOR REPLACING AN EYEDROPPER TIP ON AN EYEDROPPER BOTTLE WITH A REPLACEMENT EYEDROPPER TIP
2y 5m to grant Granted Feb 03, 2026
Patent 12485265
VALVES
2y 5m to grant Granted Dec 02, 2025
Patent 12458744
MULTI-CANISTER MODULE FOR NEGATIVE-PRESSURE THERAPY
2y 5m to grant Granted Nov 04, 2025
Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.
Powered by AI — typically takes 5-10 seconds

Prosecution Projections

3-4
Expected OA Rounds
72%
Grant Probability
99%
With Interview (+33.3%)
2y 5m
Median Time to Grant
High
PTA Risk
Based on 152 resolved cases by this examiner. Grant probability derived from career allow rate.

Sign in for Full Analysis

Enter your email to receive a magic link. No password needed.

Free tier: 3 strategy analyses per month