Topic

Polycrystalline diamond Steady

674 applications whose title mentions it. Its share of new filings over the last two years is -4% below the four years before.

Allowance rate

77%

+2 pts vs the USPTO 642 decided

Months to first action

18.9 mo

+0.3 vs the USPTO

Applications

674.0

in the record

Allowed

497.0

145 abandoned

Filings by year

How often the topic was filed

The most recent years are still filling in.

Where it is examined

Domains and art units

CPC subclasses

E21B184 apps

B24D181 apps

C01B43 apps

B01J42 apps

B22F42 apps

C04B35 apps

Art units

1731221 apps

3672108 apps

367682 apps

173453 apps

173224 apps

178418 apps

Examiners

Who examines it, and how it fares with each

Pegah Parvini95 apps

82%

Ross J Christie70 apps

64%

James E McDonough53 apps

75%

Cathleen R Hutchins41 apps

85%

Shuangyi Abu Ali29 apps

66%

Guinever S Gregorio23 apps

87%

Alexandra Marie Moore23 apps

61%

Kenneth L Thompson19 apps

95%

Bars show the share of decided applications that were allowed.

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Who files it

Companies and institutions

US SYNTHETIC CORPORATION146 apps

90%

KEYBANK NATIONAL ASSOCIATION57 apps

100%

DIAMOND INNOVATIONS, INC.45 apps

56%

SMITH INTERNATIONAL, INC.42 apps

81%

BAKER HUGHES INCORPORATED29 apps

90%

Halliburton Energy Services, Inc.28 apps

75%

Bars show the share of decided applications that were allowed.

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Who represents them

Law firms and agents

Ballard Spahr LLP / US SYNTHETIC CORP.203 apps

93%

Bryan Cave Leighton Paisner LLP (St. Louis)55 apps

32%

Traskbritt, P.C. / Baker Hughes, Inc.40 apps

90%

Hyperion Materials & Technologies, Inc.29 apps

46%

SMITH INTERNATIONAL INC.25 apps

72%

Amatong McCoy LLC21 apps

100%

Bars show the share of decided applications that were allowed.

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Applications

Recent applications on this topic

Application	Title	Filed	Status	Rejections	RCEs	To 1st action
19143918	POLYCRYSTALLINE DIAMOND CUTTING ELEMENT WITH MODIFIED TUNGSTEN CARBIDE SUBSTRATE FO…	2025-06-27	Pending	0	0	n/a
17254219	USE OF DIAMONDENE FRAGMENTS IN MAKING POLYCRYSTALLINE DIAMOND CUTTERS AND POLYCRYST…	2020-12-18	Allowed	0	0	30.1 mo
17254193	POLYCRYSTALLINE DIAMOND CUTTERS AND LIQUID SEDIMENTATION - HPHT METHOD OF MAKING TH…	2020-12-18	Abandoned	2	0	28.5 mo
15993999	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15134039	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15469491	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15943437	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15725565	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15972751	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15205434	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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