Prosecution Insights
Last updated: October 02, 2026
Application No. 18/669,515

OPEN TOP CAGE RECEPTACLE ASSEMBLY

Final Rejection §103
Filed
May 20, 2024
Examiner
DECKER, JAMIL ALEXANDER
Art Unit
2835
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Mellanox Technologies Ltd.
OA Round
2 (Final)
42%
Grant Probability
Moderate
3-4
OA Rounds
1y 4m
Est. Remaining
81%
With Interview

Examiner Intelligence

Grants 42% of resolved cases
42%
Career Allowance Rate
32 granted / 77 resolved
-26.4% vs TC avg
Strong +39% interview lift
Without
With
+39.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
32 currently pending
Career history
98
Total Applications
across all art units

Statute-Specific Performance

§101
1.4%
-38.6% vs TC avg
§103
57.0%
+17.0% vs TC avg
§102
20.2%
-19.8% vs TC avg
§112
21.4%
-18.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 77 resolved cases

Office Action

§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 . Response to Arguments Applicants’ arguments with respect to claim(s) 1-20 have been considered. The amendments to the claims, however, require a new grounds for rejection. 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(s) 1, and 4-20 is/are rejected under 35 U.S.C. 103 as being unpatentable over US 10,320,113 to Khazin et al. in view of US 10,321,607 to Ito et al. As to claim 1, Khazin discloses a cage receptacle assembly (100) configured to receive a cable connector, the cage receptacle assembly comprising: a cage body (101, fig. 2) defining a first end (110) and a second end (108), wherein the cage body comprises: a top cage member (104) defined by a top portion (113) and two side portions (114), wherein the top cage member defines a top opening (fig. 4, adjacent 113); a bottom cage member (106) coupled to the top cage member via the two side portions of the top cage member (fig. 4), and a heat dissipation unit (402) disposed proximate to the top opening of the top cage member (fig.4) directly contacts the cable connector when the cable connector is received in the cage receptacle assembly (col. 11, ll. 20-25, “the one or more additional heat dissipation units 402 may function to increase the thermal efficiency of the cage receptacle assembly via contact with a top surface of a cable connector 102 at least partially received by the cage receptacle assembly 100.”) . While Khazin seems to disclose a contact portion (see annotated fig, 4 below), however PNG media_image1.png 406 890 media_image1.png Greyscale Khazin is silent as to a contact portion that protrudes relative to other bottom-facing surfaces of the heat dissipation unit. Ito teaches a heat dissipation unit (26/46) comprising a contact portion (26M/46M) that protrudes relative to other bottom-facing surfaces of the heat dissipation unit. It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the heat dissipation unit of Khazin with a contact portion as taught by Ito in order to facilitate a heat transfer surface between a heat sink and a cable connector. As to claim 19, Khazin discloses a cage receptacle assembly (100), comprising: a cage body (101) defining a first end (110) and a second end (108), wherein a top portion (104) of the cage body comprises a top opening (fig. 4 adjacent 113) and a heat dissipation unit (402) disposed proximate to the top opening directly contacts a cable connector when the cable connector is received in the first end of the cage body (col. 11, ll. 20-25, “the one or more additional heat dissipation units 402 may function to increase the thermal efficiency of the cage receptacle assembly via contact with a top surface of a cable connector 102 at least partially received by the cage receptacle assembly 100.”) While Khazin seems to disclose a contact portion (see annotated fig, 4 above), however Khazin is silent as to a contact portion that protrudes relative to other bottom-facing surfaces of the heat dissipation unit. Ito teaches a heat dissipation unit (26/46) comprising a contact portion (26M/46M) that protrudes relative to other bottom-facing surfaces of the heat dissipation unit. It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the heat dissipation unit of Khazin with a contact portion as taught by Ito in order to facilitate a heat transfer surface between a heat sink and a cable connector. As to claim 20, Khazin discloses a cage receptacle assembly (100), comprising: a cage body (101) defining a first end (110) and a second end (108), wherein a top portion (113) of the cage body comprises a top opening (fig. 4, adjacent 113) a heat dissipation unit (402) disposed proximate to the top opening such that the heat dissipation unit directly contacts a cable connector (102) when the cable connector is received in the first end of the cage body (col. 11, ll. 20-25, “the one or more additional heat dissipation units 402 may function to increase the thermal efficiency of the cage receptacle assembly via contact with a top surface of a cable connector 102 at least partially received by the cage receptacle assembly 100.”); and one or more springs (404) that retain a position of the heat dissipation unit relative to the cage body. While Khazin seems to disclose a contact portion (see annotated fig, 4 above), however Khazin is silent as to a contact portion that protrudes relative to other bottom-facing surfaces of the heat dissipation unit. Ito teaches a heat dissipation unit (26/46) comprising a contact portion (26M/46M) that protrudes relative to other bottom-facing surfaces of the heat dissipation unit. It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the heat dissipation unit of Khazin with a contact portion as taught by Ito in order to facilitate a heat transfer surface between a heat sink and a cable connector. As to claim 4, Khazin discloses the cage receptacle assembly according to claim 1, wherein the bottom cage member defines a bottom opening (208). Khazin fails to disclose wherein the contact portion directly contacts the cable connector from a first edge of the cable connector to a second edge of the cable connector, opposite the first edge. Ito teaches a contact portion (26M/46M) which is designed to completely contact a surface plate (143) of a cable connector (146, FIG. 4) from a first edge of the cable connector surface plate (see FIG. 13A, 46LF spanning the width of channel 222, thus contacting the cable connecter surface plate from a first edge in the width direction to a second edge in the width direction, opposite the first edge.) to a second edge of the cable connector surface plate, opposite the first edge, thus teaching a heat sink coming into full contact with a heat conducting surface. It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the heat dissipation unit of Khazin with a contact portion as taught by Ito in order to facilitate a heat transfer surface between a heat sink and a cable connector, the contact portion of Ito predictably coming into direct contact with the cable connector of Khazin in the modification. Khazin further discloses; As to claim 5, the cage receptacle assembly according to claim 1, further comprising: one or more springs (404) to secure the heat dissipation unit to the cage body. As to claim 6, the cage receptacle assembly according to claim 1, wherein the cable connector is pluggable into the first end (106) of the cage body. As to claim 7, the cage receptacle assembly according to claim 1, wherein the cage body is configured to receive a quad small form factor pluggable (QSFP) connector (claim 12 of Khazin). As to claim 8, the cage receptacle assembly according to claim 1, wherein the cage body is configured to receive an octal small form factor pluggable (OSFP) (col. 5, l. 9). As to claim 9, the cage receptacle assembly according to claim 1, wherein the cage body comprises metal (col. 12, ll. 4-7, e.g. carbon steel). As to claim 10, this claim appears to be a product by process claim. However, it has been held that the patentability of a product does not depend on its method of production. If the product in the product-by-process claim is the same as or obvious from a product of the prior art, the claim is unpatentable even though the prior product was made by a different process." In re Thorpe, 777 F.2d 695, 698, 227 USPQ 964, 966 (Fed. Cir. 1985). In this case, the cage body of the prior art, although made from a different process. As to claim 11, the cage receptacle assembly according to claim 9, wherein the cage body is formed by milling (col. 12, l. 22). As to claim 12, the cage receptacle assembly according to claim 1, further comprising: a second heat dissipation unit (200, fig. 4) disposed on a bottom side of the PCB. As to claim 13, Khazin discloses the limitations of claim 12. Khazin further discloses (fig. 4) one or more springs (404) to secure the heat dissipation unit to the cage body. Khazin fails to disclose one or more springs to secure the second heat dissipation unit to the cage body. It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the second heat dissipation unit with a set of similar springs in order to facilitate ease in attachment and detachment of the second heat dissipation unit. As to claim 14, modified Khazin discloses all of the limitations of claim 13. Khazin further discloses wherein the one or more springs comprise at least one arm to wrap around the two side portions of the top cage member (fig. 4). As to claim 15, the cage receptacle assembly according to claim 1, wherein the heat dissipation unit comprises one or more fins (406). As to claim 16, the cage receptacle assembly according to claim 1, wherein the top cage member and the bottom cage member are formed from a single piece of material (col. 12, ll. 10-11). As to claim 17, the cage receptacle assembly according to claim 1, wherein the top portion and two side portions of the cage body are formed from a single piece of material (col. 12, ll. 25-28). As to claim 18, the cage receptacle assembly according to claim 1, wherein the top cage member is formed from two or more pieces of material (col. 12, ll. 25-28). Claim(s) 2-3 is/are rejected under 35 U.S.C. 103 as being unpatentable over US 10,320,113 to Khazin et al. in view of US 10,321,607 to Ito et al. further in view of US 11,792,958 to Yen et al. and US 8,599,559 to Morrison et al. As to claims 2 and 3, Khazin in view of Ito discloses all of the limitations of claim 1. Khazin fails to disclose wherein the heat dissipation unit is U-shaped and the contact portion protrudes from a surface of the U-shape that is proximate the top opening, and wherein the heat dissipation unit is coated with a conductive material and wherein the conductive material comprises a thermal interface material (TIM). Morrison teaches a heat dissipation unit (36, FIG. 1) that is U-shaped. It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the heat sink of Khazin in view of Ito to be U-shaped in order to increase the surface area of the heat sink, thus enabling greater heat transfer. Yen teaches a heat dissipation unit (3) coated with a conductive material (35) and wherein that conductive material comprises a thermal interface material (col. 9, ll. 34-35) (as regards claim 3). It would have been obvious to one of ordinary skill in the art at the time of the effective filing date of the filing to modify the heat dissipation unit of modified Khazin with a thermal interface material as taught by Yen in order to provide abrasion resistance as taught by Yen (col. 9, l. 38). Conclusion Applicants’ 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 JAMIL ALEXANDER DECKER whose telephone number is (571)272-6578. The examiner can normally be reached 8am-5pm Mon-Fri. 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, Jayprakash Gandhi can be reached at (571) 272-3740. 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. /JAMIL ALEXANDER DECKER/Examiner, Art Unit 2841 /MANDEEP S BUTTAR/Primary Examiner, Art Unit 2841
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Prosecution Timeline

May 20, 2024
Application Filed
Apr 16, 2026
Non-Final Rejection mailed — §103
Aug 13, 2026
Response Filed
Sep 08, 2026
Final Rejection mailed — §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

3-4
Expected OA Rounds
42%
Grant Probability
81%
With Interview (+39.0%)
3y 9m (~1y 4m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 77 resolved cases by this examiner. Grant probability derived from career allowance rate.

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